25204020252 has 24 divisors (see below), whose sum is σ = 58832256000. Its totient is φ = 8398072176.

The previous prime is 25204020229. The next prime is 25204020299. The reversal of 25204020252 is 25202040252.

It is a happy number.

It is a super-2 number, since 2×25204020252² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 376252 + ... + 438147.

It is an arithmetic number, because the mean of its divisors is an integer number (2451344000).

Almost surely, 2^25204020252 is an apocalyptic number.

It is an amenable number.

25204020252 is an abundant number, since it is smaller than the sum of its proper divisors (33628235748).

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

25204020252 is a wasteful number, since it uses less digits than its factorization.

25204020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816985 (or 816983 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The spelling of 25204020252 in words is "twenty-five billion, two hundred four million, twenty thousand, two hundred fifty-two".