25220203032 has 64 divisors (see below), whose sum is σ = 63389070720. Its totient is φ = 8361667328.

The previous prime is 25220203013. The next prime is 25220203051. The reversal of 25220203032 is 23030202252.

It is an interprime number because it is at equal distance from previous prime (25220203013) and next prime (25220203051).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9080428 + ... + 9083204.

It is an arithmetic number, because the mean of its divisors is an integer number (990454230).

Almost surely, 2^25220203032 is an apocalyptic number.

It is an amenable number.

25220203032 is an abundant number, since it is smaller than the sum of its proper divisors (38168867688).

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

25220203032 is a wasteful number, since it uses less digits than its factorization.

25220203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680 (or 4676 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 25220203032 its reverse (23030202252), we get a palindrome (48250405284).

The spelling of 25220203032 in words is "twenty-five billion, two hundred twenty million, two hundred three thousand, thirty-two".