20256162325 has 12 divisors (see below), whose sum is σ = 28705876000. Its totient is φ = 13889939760.

The previous prime is 20256162287. The next prime is 20256162359. The reversal of 20256162325 is 52326165202.

It is not a de Polignac number, because 20256162325 - 2¹¹ = 20256160277 is a prime.

It is a super-2 number, since 2×20256162325² (a number of 21 digits) contains 22 as substring.

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, 57874575 + ... + 57874924.

Almost surely, 2^20256162325 is an apocalyptic number.

20256162325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20256162325 is a deficient number, since it is larger than the sum of its proper divisors (8449713675).

20256162325 is a wasteful number, since it uses less digits than its factorization.

20256162325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115749516 (or 115749511 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20256162325 in words is "twenty billion, two hundred fifty-six million, one hundred sixty-two thousand, three hundred twenty-five".