3321200320 has 28 divisors (see below), whose sum is σ = 7908609024. Its totient is φ = 1328480000.

The previous prime is 3321200303. The next prime is 3321200353. The reversal of 3321200320 is 230021233.

It is a super-2 number, since 2×3321200320² = 22060743131136204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3321200294 and 3321200303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189056 + ... + 5189695.

Almost surely, 2^3321200320 is an apocalyptic number.

It is an amenable number.

3321200320 is an abundant number, since it is smaller than the sum of its proper divisors (4587408704).

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

3321200320 is a wasteful number, since it uses less digits than its factorization.

3321200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378768 (or 10378758 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3321200320 is about 57629.8561511306. The cubic root of 3321200320 is about 1491.9869472512.

Adding to 3321200320 its reverse (230021233), we get a palindrome (3551221553).

The spelling of 3321200320 in words is "three billion, three hundred twenty-one million, two hundred thousand, three hundred twenty".