3321660020 has 48 divisors (see below), whose sum is σ = 8134694400. Its totient is φ = 1138852512.

The previous prime is 3321660019. The next prime is 3321660049. The reversal of 3321660020 is 200661233.

3321660020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3321660020² = 22066850576932800800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235244 + ... + 248963.

It is an arithmetic number, because the mean of its divisors is an integer number (169472800).

Almost surely, 2^3321660020 is an apocalyptic number.

It is an amenable number.

3321660020 is an abundant number, since it is smaller than the sum of its proper divisors (4813034380).

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

3321660020 is a wasteful number, since it uses less digits than its factorization.

3321660020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484237 (or 484221 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3321660020 is about 57633.8443971943. The cubic root of 3321660020 is about 1492.0557812762.

The spelling of 3321660020 in words is "three billion, three hundred twenty-one million, six hundred sixty thousand, twenty".