24123908920 has 32 divisors (see below), whose sum is σ = 54285458400. Its totient is φ = 9648379008.

The previous prime is 24123908911. The next prime is 24123908933. The reversal of 24123908920 is 2980932142.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340402 + ... + 405118.

It is an arithmetic number, because the mean of its divisors is an integer number (1696420575).

Almost surely, 2^24123908920 is an apocalyptic number.

24123908920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24123908920 is an abundant number, since it is smaller than the sum of its proper divisors (30161549480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24123908920 is a wasteful number, since it uses less digits than its factorization.

24123908920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74047 (or 74043 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 24123908920 in words is "twenty-four billion, one hundred twenty-three million, nine hundred eight thousand, nine hundred twenty".