328710357220 has 48 divisors (see below), whose sum is σ = 794199571200. Its totient is φ = 111944306304.

The previous prime is 328710357197. The next prime is 328710357229. The reversal of 328710357220 is 22753017823.

It is a super-2 number, since 2×328710357220² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328710357229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7858104 + ... + 7899823.

It is an arithmetic number, because the mean of its divisors is an integer number (16545824400).

Almost surely, 2^328710357220 is an apocalyptic number.

It is an amenable number.

328710357220 is an abundant number, since it is smaller than the sum of its proper divisors (465489213980).

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

328710357220 is a wasteful number, since it uses less digits than its factorization.

328710357220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15758092 (or 15758090 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 328710357220 in words is "three hundred twenty-eight billion, seven hundred ten million, three hundred fifty-seven thousand, two hundred twenty".