Fait général: 20992 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20992 is an unremarkable number.
Culture générale: 20992 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: June 21st is the day in 1948 that Columbia Records introduces the long-playing record album in a public demonstration at the Waldorf-Astoria Hotel in New York, New York.