325069920 has 432 divisors, whose sum is σ = 1371359808. Its totient is φ = 69672960.

The previous prime is 325069909. The next prime is 325069963. The reversal of 325069920 is 29960523.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1199385 + ... + 1199655.

It is an arithmetic number, because the mean of its divisors is an integer number (3174444).

Almost surely, 2^325069920 is an apocalyptic number.

325069920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325069920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685679904).

325069920 is an abundant number, since it is smaller than the sum of its proper divisors (1046289888).

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

325069920 is a wasteful number, since it uses less digits than its factorization.

325069920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 325069920 is about 18029.6955049163. The cubic root of 325069920 is about 687.5837350351.

The spelling of 325069920 in words is "three hundred twenty-five million, sixty-nine thousand, nine hundred twenty".