20312535524 has 24 divisors (see below), whose sum is σ = 36115799328. Its totient is φ = 9994057920.

The previous prime is 20312535473. The next prime is 20312535541. The reversal of 20312535524 is 42553521302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215639 + ... + 295169.

It is an arithmetic number, because the mean of its divisors is an integer number (1504824972).

Almost surely, 2^20312535524 is an apocalyptic number.

It is an amenable number.

20312535524 is a deficient number, since it is larger than the sum of its proper divisors (15803263804).

20312535524 is a wasteful number, since it uses less digits than its factorization.

20312535524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80555 (or 80553 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 20312535524 in words is "twenty billion, three hundred twelve million, five hundred thirty-five thousand, five hundred twenty-four".