Fatto generale: 24247 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 24247 is an uninteresting number.
Trivia: 24247 is an uninteresting number.
Data storica: May 20th is the day in 1896 that the six ton chandelier of the Palais Garnier falls on the crowd below resulting in the death of one and the injury of many others.