Fait général: 20571 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20571 is an uninteresting number.
Culture générale: 20571 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: April 26th is the day in 1986 that a nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Soviet Union (now Ukraine), creating the world's worst nuclear disaster.