325202320520 has 256 divisors, whose sum is σ = 935462131200. Its totient is φ = 98808053760.

The previous prime is 325202320517. The next prime is 325202320537. The reversal of 325202320520 is 25023202523.

It is a self number, because there is not a number n which added to its sum of digits gives 325202320520.

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 63 ways as a sum of consecutive naturals, for example, 25622336 + ... + 25635024.

It is an arithmetic number, because the mean of its divisors is an integer number (3654148950).

Almost surely, 2^325202320520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325202320520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467731065600).

325202320520 is an abundant number, since it is smaller than the sum of its proper divisors (610259810680).

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

325202320520 is a wasteful number, since it uses less digits than its factorization.

325202320520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12928 (or 12924 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 325202320520 in words is "three hundred twenty-five billion, two hundred two million, three hundred twenty thousand, five hundred twenty".