25710220000 has 60 divisors (see below), whose sum is σ = 63251046936. Its totient is φ = 10284080000.

The previous prime is 25710219989. The next prime is 25710220001. The reversal of 25710220000 is 2201752.

It is a super-2 number, since 2×25710220000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25710220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25710220001) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 622756 + ... + 662755.

Almost surely, 2^25710220000 is an apocalyptic number.

25710220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25710220000 is an abundant number, since it is smaller than the sum of its proper divisors (37540826936).

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

25710220000 is an equidigital number, since it uses as much as digits as its factorization.

25710220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285541 (or 1285518 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

Adding to 25710220000 its reverse (2201752), we get a palindrome (25712421752).

The spelling of 25710220000 in words is "twenty-five billion, seven hundred ten million, two hundred twenty thousand".