20362532725 has 12 divisors (see below), whose sum is σ = 25293933540. Its totient is φ = 16261385600.

The previous prime is 20362532651. The next prime is 20362532759. The reversal of 20362532725 is 52723526302.

It can be written as a sum of positive squares in 6 ways, for example, as 7625830276 + 12736702449 = 87326^2 + 112857^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20362532725 is a prime.

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, 701506 + ... + 729955.

It is an arithmetic number, because the mean of its divisors is an integer number (2107827795).

Almost surely, 2^20362532725 is an apocalyptic number.

20362532725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20362532725 is a deficient number, since it is larger than the sum of its proper divisors (4931400815).

20362532725 is a wasteful number, since it uses less digits than its factorization.

20362532725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432040 (or 1432035 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 20362532725 in words is "twenty billion, three hundred sixty-two million, five hundred thirty-two thousand, seven hundred twenty-five".