20527115812 has 24 divisors (see below), whose sum is σ = 41061517056. Its totient is φ = 8795774208.

The previous prime is 20527115779. The next prime is 20527115813. The reversal of 20527115812 is 21851172502.

It is not an unprimeable number, because it can be changed into a prime (20527115813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103188 + ... + 227380.

It is an arithmetic number, because the mean of its divisors is an integer number (1710896544).

Almost surely, 2^20527115812 is an apocalyptic number.

It is an amenable number.

20527115812 is an abundant number, since it is smaller than the sum of its proper divisors (20534401244).

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

20527115812 is a wasteful number, since it uses less digits than its factorization.

20527115812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130107 (or 130105 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 20527115812 in words is "twenty billion, five hundred twenty-seven million, one hundred fifteen thousand, eight hundred twelve".