20860274512 has 60 divisors (see below), whose sum is σ = 51289592256. Its totient is φ = 8127376320.

The previous prime is 20860274497. The next prime is 20860274551. The reversal of 20860274512 is 21547206802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200808 + ... + 1218055.

Almost surely, 2^20860274512 is an apocalyptic number.

20860274512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20860274512 is an abundant number, since it is smaller than the sum of its proper divisors (30429317744).

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

20860274512 is a wasteful number, since it uses less digits than its factorization.

20860274512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418896 (or 2418883 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 20860274512 in words is "twenty billion, eight hundred sixty million, two hundred seventy-four thousand, five hundred twelve".