328420120 has 32 divisors (see below), whose sum is σ = 844509600. Its totient is φ = 112601088.

The previous prime is 328420091. The next prime is 328420133. The reversal of 328420120 is 21024823.

It is a junction number, because it is equal to n+sod(n) for n = 328420091 and 328420100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 586185 + ... + 586744.

It is an arithmetic number, because the mean of its divisors is an integer number (26390925).

Almost surely, 2^328420120 is an apocalyptic number.

It is an amenable number.

328420120 is an abundant number, since it is smaller than the sum of its proper divisors (516089480).

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

328420120 is a wasteful number, since it uses less digits than its factorization.

328420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172947 (or 1172943 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 328420120 is about 18122.3651878004. The cubic root of 328420120 is about 689.9377665638.

Adding to 328420120 its reverse (21024823), we get a palindrome (349444943).

The spelling of 328420120 in words is "three hundred twenty-eight million, four hundred twenty thousand, one hundred twenty".