25220760 has 32 divisors (see below), whose sum is σ = 75662640. Its totient is φ = 6725504.

The previous prime is 25220753. The next prime is 25220761. The reversal of 25220760 is 6702252.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 25220760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25220761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104967 + ... + 105206.

Almost surely, 2^25220760 is an apocalyptic number.

25220760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25220760 is an abundant number, since it is smaller than the sum of its proper divisors (50441880).

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

25220760 is a wasteful number, since it uses less digits than its factorization.

25220760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210187 (or 210183 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25220760 is about 5022.0274790168. The cubic root of 25220760 is about 293.2599276834.

It can be divided in two parts, 252 and 20760, that added together give a palindrome (21012).

The spelling of 25220760 in words is "twenty-five million, two hundred twenty thousand, seven hundred sixty".