20574475125 has 32 divisors (see below), whose sum is σ = 34704958080. Its totient is φ = 10822723200.

The previous prime is 20574475123. The next prime is 20574475133. The reversal of 20574475125 is 52157447502.

It is not a de Polignac number, because 20574475125 - 2¹ = 20574475123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20574475121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348415 + ... + 403164.

It is an arithmetic number, because the mean of its divisors is an integer number (1084529940).

Almost surely, 2^20574475125 is an apocalyptic number.

20574475125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20574475125 is a deficient number, since it is larger than the sum of its proper divisors (14130482955).

20574475125 is an equidigital number, since it uses as much as digits as its factorization.

20574475125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751670 (or 751660 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 42.

The spelling of 20574475125 in words is "twenty billion, five hundred seventy-four million, four hundred seventy-five thousand, one hundred twenty-five".