25038220 has 12 divisors (see below), whose sum is σ = 52580304. Its totient is φ = 10015280.

The previous prime is 25038193. The next prime is 25038241. The reversal of 25038220 is 2283052.

It is a junction number, because it is equal to n+sod(n) for n = 25038191 and 25038200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625936 + ... + 625975.

It is an arithmetic number, because the mean of its divisors is an integer number (4381692).

Almost surely, 2^25038220 is an apocalyptic number.

25038220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25038220 is an abundant number, since it is smaller than the sum of its proper divisors (27542084).

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

25038220 is a wasteful number, since it uses less digits than its factorization.

25038220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251920 (or 1251918 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25038220 is about 5003.8205403471. The cubic root of 25038220 is about 292.5507058952.

The spelling of 25038220 in words is "twenty-five million, thirty-eight thousand, two hundred twenty".