325663606020 has 72 divisors (see below), whose sum is σ = 929388067776. Its totient is φ = 85205025152.

The previous prime is 325663606013. The next prime is 325663606031. The reversal of 325663606020 is 20606366523.

It is a self number, because there is not a number n which added to its sum of digits gives 325663606020.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 797592 + ... + 1134671.

It is an arithmetic number, because the mean of its divisors is an integer number (12908167608).

Almost surely, 2^325663606020 is an apocalyptic number.

325663606020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325663606020 is an abundant number, since it is smaller than the sum of its proper divisors (603724461756).

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

325663606020 is a wasteful number, since it uses less digits than its factorization.

325663606020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932381 (or 1932326 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 325663606020 in words is "three hundred twenty-five billion, six hundred sixty-three million, six hundred six thousand, twenty".