325516020 has 96 divisors (see below), whose sum is σ = 938044800. Its totient is φ = 84295680.

The previous prime is 325516019. The next prime is 325516067. The reversal of 325516020 is 20615523.

325516020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724756 + ... + 725204.

It is an arithmetic number, because the mean of its divisors is an integer number (9771300).

Almost surely, 2^325516020 is an apocalyptic number.

325516020 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 325516020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469022400).

325516020 is an abundant number, since it is smaller than the sum of its proper divisors (612528780).

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

325516020 is a wasteful number, since it uses less digits than its factorization.

325516020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 325516020 is about 18042.0625206765. The cubic root of 325516020 is about 687.8981196040.

The spelling of 325516020 in words is "three hundred twenty-five million, five hundred sixteen thousand, twenty".