20524810920 has 64 divisors (see below), whose sum is σ = 61720842240. Its totient is φ = 5460268800.

The previous prime is 20524810919. The next prime is 20524810937. The reversal of 20524810920 is 2901842502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152616 + ... + 253655.

It is an arithmetic number, because the mean of its divisors is an integer number (964388160).

Almost surely, 2^20524810920 is an apocalyptic number.

20524810920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20524810920 is an abundant number, since it is smaller than the sum of its proper divisors (41196031320).

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

20524810920 is a wasteful number, since it uses less digits than its factorization.

20524810920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406706 (or 406702 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 20524810920 in words is "twenty billion, five hundred twenty-four million, eight hundred ten thousand, nine hundred twenty".