Category
page 120 (number)
20
natural number
vigesimal
thumb|The Maya numerals are an example of a base-20 numeral system.
BEL20
Blue-chip index consisting of the 20 major Belgian companies trading on the Euronext Brussels
OMX Copenhagen 20
Blue-chip index consisting of the 20 major Danish companies trading on Nasdaq Copenhagen
twenty questions
spoken guessing game using yes-no questions
The Official Lebanese Top 20
Lebanese music chart
CAC Next 20
stock market index
ISEQ 20
Blue-chip index consisting of the 20 major Irish companies trading on Euronext Dublin
icosathlon
The icosathlon, also called double decathlon, is an ultra combined events of track and field competition consisting of 20 events. The word "icosathlon" was formed, in analogy to the word "decathlon", from Greek εἴκοσι (eíkosi, meaning "twenty") and ἄθλος (áthlos, or ἄθλον, áthlon, meaning "contest" or “prize”).