20015926525 has 48 divisors (see below), whose sum is σ = 29685600000. Its totient is φ = 13089922560.

The previous prime is 20015926459. The next prime is 20015926529. The reversal of 20015926525 is 52562951002.

It is not a de Polignac number, because 20015926525 - 2¹¹ = 20015924477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20015926529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1397601 + ... + 1411849.

It is an arithmetic number, because the mean of its divisors is an integer number (618450000).

Almost surely, 2^20015926525 is an apocalyptic number.

20015926525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20015926525 is a deficient number, since it is larger than the sum of its proper divisors (9669673475).

20015926525 is a wasteful number, since it uses less digits than its factorization.

20015926525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638 (or 14633 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 20015926525 in words is "twenty billion, fifteen million, nine hundred twenty-six thousand, five hundred twenty-five".