20051516524 has 96 divisors (see below), whose sum is σ = 40482783936. Its totient is φ = 8608481280.

The previous prime is 20051516509. The next prime is 20051516533. The reversal of 20051516524 is 42561515002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35998854 + ... + 35999410.

It is an arithmetic number, because the mean of its divisors is an integer number (421695666).

Almost surely, 2^20051516524 is an apocalyptic number.

It is an amenable number.

20051516524 is an abundant number, since it is smaller than the sum of its proper divisors (20431267412).

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

20051516524 is a wasteful number, since it uses less digits than its factorization.

20051516524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 20051516524 in words is "twenty billion, fifty-one million, five hundred sixteen thousand, five hundred twenty-four".