Fatto generale: 64420 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 64420 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 64420 is an uninteresting number.
Data storica: May 16th is the day in 1953 that American journalist William N. Oatis is released after serving 22 months of a ten-year prison sentence for espionage in Czechslovakia.