25010920 has 32 divisors (see below), whose sum is σ = 61391520. Its totient is φ = 9094720.

The previous prime is 25010911. The next prime is 25010939. The reversal of 25010920 is 2901052.

It is a super-2 number, since 2×25010920² = 1251092238492800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27982 + ... + 28861.

It is an arithmetic number, because the mean of its divisors is an integer number (1918485).

Almost surely, 2^25010920 is an apocalyptic number.

25010920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25010920 is an abundant number, since it is smaller than the sum of its proper divisors (36380600).

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

25010920 is a wasteful number, since it uses less digits than its factorization.

25010920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56865 (or 56861 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 25010920 is about 5001.0918807796. The cubic root of 25010920 is about 292.4443413223. Note that the first 3 decimals are identical.

Adding to 25010920 its reverse (2901052), we get a palindrome (27911972).

The spelling of 25010920 in words is "twenty-five million, ten thousand, nine hundred twenty".