20620152525 has 48 divisors (see below), whose sum is σ = 39160243584. Its totient is φ = 9378458880.

The previous prime is 20620152521. The next prime is 20620152563. The reversal of 20620152525 is 52525102602.

It is not a de Polignac number, because 20620152525 - 2² = 20620152521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20620152492 and 20620152501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620152521) 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, 3739 + ... + 203111.

It is an arithmetic number, because the mean of its divisors is an integer number (815838408).

Almost surely, 2^20620152525 is an apocalyptic number.

20620152525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20620152525 is a deficient number, since it is larger than the sum of its proper divisors (18540091059).

20620152525 is a wasteful number, since it uses less digits than its factorization.

20620152525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199590 (or 199585 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20620152525 in words is "twenty billion, six hundred twenty million, one hundred fifty-two thousand, five hundred twenty-five".