25304160020 has 48 divisors (see below), whose sum is σ = 53926000128. Its totient is φ = 9971915520.

The previous prime is 25304159963. The next prime is 25304160023. The reversal of 25304160020 is 2006140352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25304160023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2242232 + ... + 2253488.

It is an arithmetic number, because the mean of its divisors is an integer number (1123458336).

Almost surely, 2^25304160020 is an apocalyptic number.

25304160020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25304160020 is an abundant number, since it is smaller than the sum of its proper divisors (28621840108).

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

25304160020 is a wasteful number, since it uses less digits than its factorization.

25304160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12918 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 25304160020 in words is "twenty-five billion, three hundred four million, one hundred sixty thousand, twenty".