20051310512 has 20 divisors (see below), whose sum is σ = 38852899416. Its totient is φ = 10024755840.

The previous prime is 20051310511. The next prime is 20051310523. The reversal of 20051310512 is 21501315002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20051310511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150812 + ... + 250692.

Almost surely, 2^20051310512 is an apocalyptic number.

It is an amenable number.

20051310512 is a deficient number, since it is larger than the sum of its proper divisors (18801588904).

20051310512 is a wasteful number, since it uses less digits than its factorization.

20051310512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112436 (or 112430 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 20051310512 its reverse (21501315002), we get a palindrome (41552625514).

The spelling of 20051310512 in words is "twenty billion, fifty-one million, three hundred ten thousand, five hundred twelve".