20750612502 has 32 divisors (see below), whose sum is σ = 41711781888. Its totient is φ = 6881815296.

The previous prime is 20750612453. The next prime is 20750612543. The reversal of 20750612502 is 20521605702.

It is a self number, because there is not a number n which added to its sum of digits gives 20750612502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3037863 + ... + 3044685.

It is an arithmetic number, because the mean of its divisors is an integer number (1303493184).

Almost surely, 2^20750612502 is an apocalyptic number.

20750612502 is an abundant number, since it is smaller than the sum of its proper divisors (20961169386).

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

20750612502 is a wasteful number, since it uses less digits than its factorization.

20750612502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 20750612502 in words is "twenty billion, seven hundred fifty million, six hundred twelve thousand, five hundred two".