25200422920 has 16 divisors (see below), whose sum is σ = 56700951660. Its totient is φ = 10080169152.

The previous prime is 25200422879. The next prime is 25200422953. The reversal of 25200422920 is 2922400252.

It can be written as a sum of positive squares in 2 ways, for example, as 22826979396 + 2373443524 = 151086^2 + 48718^2 .

It is a super-2 number, since 2×25200422920² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315005247 + ... + 315005326.

Almost surely, 2^25200422920 is an apocalyptic number.

25200422920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25200422920 is an abundant number, since it is smaller than the sum of its proper divisors (31500528740).

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

25200422920 is a wasteful number, since it uses less digits than its factorization.

25200422920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630010584 (or 630010580 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 25200422920 in words is "twenty-five billion, two hundred million, four hundred twenty-two thousand, nine hundred twenty".