25346675220 has 96 divisors (see below), whose sum is σ = 71325585408. Its totient is φ = 6725400192.

The previous prime is 25346675213. The next prime is 25346675239. The reversal of 25346675220 is 2257664352.

It is a happy number.

It is a super-5 number, since 5×25346675220⁵ (a number of 53 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17811429 + ... + 17812851.

It is an arithmetic number, because the mean of its divisors is an integer number (742974848).

Almost surely, 2^25346675220 is an apocalyptic number.

25346675220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25346675220 is an abundant number, since it is smaller than the sum of its proper divisors (45978910188).

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

25346675220 is a wasteful number, since it uses less digits than its factorization.

25346675220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 25346675220 in words is "twenty-five billion, three hundred forty-six million, six hundred seventy-five thousand, two hundred twenty".