General fact: 24207 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 24207 is a boring number.
Trivia: 24207 is a boring number.
Historical date: April 10th is the day in 1858 that the original Big Ben, a 14.5 tonne bell for the Palace of Westminster is cast in Stockton-on-Tees by Warner's of Cripplegate.