Fait général: 20863 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20863 is an uninteresting number.
Culture générale: 20863 is a boring number.
Date historique: February 12th is the day in 1974 that Aleksandr Solzhenitsyn, winner of the Nobel Prize in literature in 1970, is exiled from the Soviet Union.