20326685925 has 240 divisors, whose sum is σ = 44540829760. Its totient is φ = 8108190720.

The previous prime is 20326685923. The next prime is 20326685933. The reversal of 20326685925 is 52958662302.

It is not a de Polignac number, because 20326685925 - 2¹ = 20326685923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326685923) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 44478297 + ... + 44478753.

Almost surely, 2^20326685925 is an apocalyptic number.

20326685925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20326685925 is an abundant number, since it is smaller than the sum of its proper divisors (24214143835).

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

20326685925 is a wasteful number, since it uses less digits than its factorization.

20326685925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 20326685925 in words is "twenty billion, three hundred twenty-six million, six hundred eighty-five thousand, nine hundred twenty-five".