Number 20 facts

The even number 20 is spelled 🔊, and written in words: twenty. The ordinal number 20th is said 🔊 and written as: twentieth. Phone prefix +20 or 0020. The meaning of the number 20 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 20. What is 20 in computer science, numerology, codes and images, photo art, writing and naming in other languages. Other interesting facts, news related to 20. ‹‹ 19  21 ››

Interesting facts about the number 20

Number 20 - Photo Art More photos ...


Asteroids

  • (20) Massalia is asteroid number 20. It was discovered by A. de Gasparis from Obs. Capodimonte Astronomical on 9/19/1852.

Aircrafts and flights

  • 01/18/1960 the Capital Airlines plane, flight number 20, Vickers Viscount 745D crashed in Holdcroft, Virginia, US 46 passengers and 4 crew members died.

Areas, mountains and surfaces

  • The total area of Ireland is 32,595 square miles (84,421 square km). Country Ireland and United Kingdom (Northern Ireland). 20th largest island in the world.

Astrology

Biology

  • It is the number of teeth in the deciduous dentition or milk teeth, it is 20.

Distances

  • There is a 13 miles (20 km) direct distance between Abū Ghurayb (Iraq) and Baghdad (Iraq).
  • There is a 13 miles (20 km) direct distance between Álvaro Obregón (Mexico) and Ciudad Nezahualcoyotl (Mexico).
  • There is a 20 miles (32 km) direct distance between Álvaro Obregón (Mexico) and Ecatepec (Mexico).
  • There is a 20 miles (31 km) direct distance between Bucheon-si (South Korea) and Seongnam-si (South Korea).
  • More distances ...
  • There is a 13 miles (20 km) direct distance between Delhi (India) and Ghāziābād (India).
  • There is a 13 miles (20 km) direct distance between Depok (Indonesia) and Jakarta (Indonesia).
  • There is a 20 miles (32 km) direct distance between Depok (Indonesia) and Tangerang (Indonesia).
  • There is a 20 miles (32 km) direct distance between Incheon (South Korea) and Suwon-si (South Korea).
  • There is a 20 miles (32 km) direct distance between Kalyān (India) and Mumbai (India).

Games

  • Pokémon Raticate (Ratta) is a pokémon number # 020 of the National Pokédex. Raticate is a normal type Pokémon in the first generation. It is a Field Egg group Pokémon. Raticate's other indexes are Teselia index 060 , Johto index 018 .

History and politics

  • ISO 3166 country codes for Andorra are AD, AND, 020 and internet top-level domain is .ad
  • United Nations Security Council Resolution number 20, adopted 10 March 1947. Review of report by the Atomic Energy Commission. Resolution text.

In other fields

  • September 20th - World Paella Day. September 20th is celebrated as World Paella Day, in recognition of a universal and delicious dish originating in Valencia (Spain). The 20th of September has been chosen to commemorate the paella, coinciding with the harvest of the main ingredient with which it is made: rice, the initiative comes from the City Council of Valencia and other local Valencian entities. Paella is a typical dish of humble origins but which has become so international that it reaches every corner of the planet, and is known worldwide. Originally, paella was a country dish that Valencian peasants prepared with ingredients available in the region, such as rice, rabbit, snails and vegetables. Over time, paella has become more versatile, and numerous variations have been created based on regional ingredients and personal preferences. Paella is typically cooked outdoors over an open fire or a wide, flat heat source. The rice is cooked in the broth and ingredients are added at the appropriate time so that everything cooks evenly. It is usually served in the same paella pan in which it was cooked.
  • There are 20 perfect interlingual homographs (words that share the same spelling and meaning in French, English, German, Italian, Spanish, etc...): album, diesel, embargo, gangster, hotel, jazz, jockey, karate, laser, libido, mafia, matador, motel, paranoia, radar, radio, revolver, sauna, taxi, telex, virus, yoga. - G. Sarcone
  • 20 lustrums is a century.
  • In Japanese tradition, the age of majority is set at 20 years.

Jokes

  • What is that thing that measures about 20 cm?
    The toothbrush.

Mathematics

  • 20 is the smallest number that cannot be either prefixed or followed by one digit to form a prime
  • 20 is the number of rooted trees with 6 vertices.

Mobile and telephony

  • Number 20 or +20 or 0020 is a dial the international call prefix for Egypt. (00/+) is dial the international call prefix.

Music

  • 'Matchbox Twenty' (also known as MB20, MBT, Matchbox Twenty and originally as Matchbox 20) is an American alternative rock band originally from Orlando, Florida. When Paul Douchette was working in a restaurant, he served a customer with patches on his clothes and could only read the word Matchbox. 20 was the number seen on this character's shirt.
  • '20 Margaritas' is a song by the country music duo Big & Rich.
  • '20 Good Reasons ', in Spanish '20 good reasons', was the first single from Thirsty Merc's second album Slideshows.
  • '20 Block ', in Spanish '20 Block', is a song by the American pop punk band A Loss for Words (formerly Last Ride).
  • '20 Size 'is a song by the Scottish post-rock band Mogwai.

Science

  • Calcium is the chemical element in the periodic table that has the symbol Ca and atomic number 20.

Sports

  • The best athletes to wear number 20
    Barry Sanders, NFL; Lou Brock, MLB; Mike Schmidt, MLB; Frank Robinson, MLB; Tony Stewart, NASCAR; Luc Robitaille, NHL; Ed Reed, NFL; Rob Niedermayer, NHL; Josh Gibson, baseball

What is 20 in other units

The decimal (Arabic) number 20 converted to a Roman number is XX. Roman and decimal number conversions.
The number 20 converted to a Mayan number is mayan number 20
Decimal and Mayan number conversions.

Weight conversion


20 kilograms (kg) = 44.1 pounds (lbs)
20 pounds (lbs) = 9.1 kilograms (kg)

Length conversion


20 kilometers (km) equals to 12.427 miles (mi).
20 miles (mi) equals to 32.187 kilometers (km).
20 meters (m) equals to 32.187 feet (ft).
20 feet (ft) equals 6.096 meters (m).
20 centimeters (cm) equals to 7.9 inches (in).
20 inches (in) equals to 50.8 centimeters (cm).

Temperature conversion


20° Fahrenheit (°F) equals to -6.7° Celsius (°C)
20° Celsius (°C) equals to 68° Fahrenheit (°F)

Power conversion


20 Horsepower (hp) equals to 14.71 kilowatts (kW)
20 kilowatts (kW) equals to 27.20 horsepower (hp)

Codes and images of the number 20

Number 20 morse code: ..--- -----
Sign language for number 20:
Sign language for number 20 Sign language for number 20
Number 20 in braille:
Number 20 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 20 black image Number 20 red image
More images, other sizes, codes and colors ...

Number 20 infographic


Year 20 AD

  • Hillel the Elder, Talmudic scholar, died.
  • Tiberias was built on the Sea of Galilee by Herod Antipas, in honour of Tiberius.

Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)

Gregorian year 20 is Buddhist year 563.
Buddhist year 20 is Gregorian year 523 a. C.
Gregorian year 20 is Islamic year -621 or -620.
Islamic year 20 is Gregorian year 640 or 641.
Gregorian year 20 is Persian year -603 or -602.
Persian year 20 is Gregorian 641 or 642.
Gregorian year 20 is Hebrew year 3780 or 3781.
Hebrew year 20 is Gregorian year 3740 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is the official calendar in Iran and Afghanistan.

Share in social networks

share facebook linkedin pinterest twitter blogger enlace favorites

Advanced math operations

Is Prime?


The number 20 is not a prime number. The closest prime numbers are 19, 23.
The 20th prime number in order is 71.

Factorization and factors (dividers)


The prime factors of 20 are 2 * 2 * 5
The factors of 20 are 1, 2, 4, 5, 10, 20.
Total factors 6.
Sum of factors 42 (22).

Prime factor tree


Powers


The second power of 202 is 400.
The third power of 203 is 8.000.

Roots


The square root √20 is 4,472136.
The cube root of 320 is 2,714418.

Logarithms


The natural logarithm of No. ln 20 = loge 20 = 2,995732.
The logarithm to base 10 of No. log10 20 = 1,30103.
The Napierian logarithm of No. log1/e 20 = -2,995732.

Trigonometric functions

The cosine of 20 is 0,408082.
The sine of 20 is 0,912945.
The tangent of 20 is 2,237161.

Number 20 in Computer Science

Code typeCode value
Port 20/TCPFTP Protocol (data) - port for transferring FTP data
Unix timeUnix time 20 is equal to Thursday Jan. 1, 1970, 12:20 a.m. GMT
IPv4, IPv6Number 20 internet address in dotted format v4 0.0.0.20, v6 ::14
20 Decimal = 10100 Binary
20 Decimal = 202 Ternary
20 Decimal = 24 Octal
20 Decimal = 14 Hexadecimal (0x14 hex)
20 BASE64MjA=
20 MD598f13708210194c475687be6106a3b84
20 SHA191032ad7bbcb6cf72875e8e8207dcfba80173f7c
20 SHA224751267062c92e398c3942214b58136f73a4b9e1ca9a214d72d6d5805
20 SHA256f5ca38f748a1d6eaf726b8a42fb575c3c71f1864a8143301782de13da2d9202b
20 SHA384fd21efb0c2863b1d2460f7e6048d757beb2326c6e1bbee5194826be2c626a9de3bc8d6f2488617e505c960478d3855d0
More SHA codes related to the number 20 ...

If you know something interesting about the 20 number that you did not find on this page, do not hesitate to write us here.

Numerology 20

According to Wikipedia, numerology is based on faith, yet many people seek the meaning of the number 20 from a numerological perspective.
More about numerology 20 ...

№ 20 in other languages

How to say or write the number twenty in Spanish, German, French and other languages.
Spanish: 🔊 (número 20)

veinte

German: 🔊 (Nummer 20)

zwanzig

French: 🔊 (nombre 20)

vingt

Portuguese: 🔊 (número 20)

vinte

Hindi: 🔊 (संख्या 20)

बीस

Chinese: 🔊 (数 20)

二十

Arabian: 🔊 (عدد 20)

عشرون

Czech: 🔊 (číslo 20)

dvacet

Korean: 🔊 (번호 20)

이십

Danish: 🔊 (nummer 20)

tyve

Hebrew: (מספר 20)

עשרים

Dutch: 🔊 (nummer 20)

twintig

Japanese: 🔊 (数 20)

二十

Indonesian: 🔊 (jumlah 20)

dua puluh

Italian: 🔊 (numero 20)

venti

Norwegian: 🔊 (nummer 20)

tjue

Polish: 🔊 (liczba 20)

dwadzieścia

Russian: 🔊 (номер 20)

двадцать

Turkish: 🔊 (numara 20)

yirmi

Thai: 🔊 (จำนวน 20)

ยี่สิบ

Ukrainian: 🔊 (номер 20)

двадцять

Vietnamese: 🔊 (con số 20)

hai mươi

Other languages ...

News to email

Receive news about "Number 20" to email


I have read the privacy policy

Comment

If you know something interesting about the number 20 or any other natural number (positive integer), please write to us here or on Facebook.

Name *


Comment (Maximum 2000 characters) *


  * Required fields
Legal Notices & Terms of Use
The content of the comments is the opinion of the users and not of number.academy. It is not allowed to pour comments contrary to the laws, insulting, illegal or harmful to third parties. Number.academy reserves the right to remove or not publish any inappropriate comment. It also reserves the right to publish a comment on another topic. Privacy Policy.

Comments

add new comment

There are no comments for this topic.

Frequently asked questions about the number 20

  • How do you write the number 20 in words?

    20 can be written as "twenty".

Number 20 in News

NyTimes: More Than 20 Killed Near Aid Distribution Site in Gaza, Health Officials Say
The Palestinians were shot and scores wounded as huge crowds assembled to try and get food from a new aid distribution center. An Israeli military official said soldiers fired warning shots.
June 2, 2025
The Sydney Morning Herald: Kate and William return to secret Scottish hideaway 20 years on
The couple have left their three children at home for the first overnight working trip since the princess’ cancer diagnosis.
April 30, 2025
The Sydney Morning Herald: A new name, first-ever birthday party: Man speaks out after 20 years as ‘prisoner’ in childhood home
In his first public comments, the man, who set the house on fire in his desperation to escape, said he wanted justice and was working to “reclaim control” of his future.
April 16, 2025
NyTimes: Israeli Strike Kills Over 20, Including Children, Gaza Officials Say
The Israeli military said it was targeting a Hamas operative who it said was responsible for planning attacks. Dozens of people were injured in the strike on a Gaza City neighborhood.
April 9, 2025
France24: More than 20 staffers quit Musk’s DOGE, refusing to ‘dismantle critical public services’
At least 21 tech employees quit Elon Musk's DOGE in a joint resignation letter on Tuesday, refusing to use their expertise to “dismantle critical public services". The employees warned that many of those hired by Musk were political ideologues lacking the necessary skills or experience, noting that this created "significant …
Feb. 25, 2025

What is your opinion?

S