20512053712 has 40 divisors (see below), whose sum is σ = 41054158080. Its totient is φ = 9917917440.

The previous prime is 20512053707. The next prime is 20512053721. The reversal of 20512053712 is 21735021502.

It is a congruent number.

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, 696339 + ... + 725197.

It is an arithmetic number, because the mean of its divisors is an integer number (1026353952).

Almost surely, 2^20512053712 is an apocalyptic number.

It is an amenable number.

20512053712 is an abundant number, since it is smaller than the sum of its proper divisors (20542104368).

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

20512053712 is a wasteful number, since it uses less digits than its factorization.

20512053712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331 (or 30325 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 20512053712 in words is "twenty billion, five hundred twelve million, fifty-three thousand, seven hundred twelve".