25011202220 has 12 divisors (see below), whose sum is σ = 52523524704. Its totient is φ = 10004480880.

The previous prime is 25011202217. The next prime is 25011202231. The reversal of 25011202220 is 2220211052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625280036 + ... + 625280075.

It is an arithmetic number, because the mean of its divisors is an integer number (4376960392).

Almost surely, 2^25011202220 is an apocalyptic number.

25011202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25011202220 is an abundant number, since it is smaller than the sum of its proper divisors (27512322484).

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

25011202220 is a wasteful number, since it uses less digits than its factorization.

25011202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250560120 (or 1250560118 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 25011202220 its reverse (2220211052), we get a palindrome (27231413272).

The spelling of 25011202220 in words is "twenty-five billion, eleven million, two hundred two thousand, two hundred twenty".