25324112220 has 96 divisors (see below), whose sum is σ = 81903902976. Its totient is φ = 5778048000.

The previous prime is 25324112213. The next prime is 25324112239. The reversal of 25324112220 is 2221142352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117306 + ... + 1139745.

It is an arithmetic number, because the mean of its divisors is an integer number (853165656).

Almost surely, 2^25324112220 is an apocalyptic number.

25324112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25324112220 is an abundant number, since it is smaller than the sum of its proper divisors (56579790756).

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

25324112220 is a wasteful number, since it uses less digits than its factorization.

25324112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257091 (or 2257089 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 25324112220 its reverse (2221142352), we get a palindrome (27545254572).

The spelling of 25324112220 in words is "twenty-five billion, three hundred twenty-four million, one hundred twelve thousand, two hundred twenty".