3321021330 has 64 divisors (see below), whose sum is σ = 9661161600. Its totient is φ = 805095360.

The previous prime is 3321021311. The next prime is 3321021337. The reversal of 3321021330 is 331201233.

3321021330 is a `hidden beast` number, since 332 + 1 + 0 + 2 + 1 + 330 = 666.

3321021330 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 2×3321021330² = 22058365348629937800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3321021337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556125 + ... + 562064.

It is an arithmetic number, because the mean of its divisors is an integer number (150955650).

Almost surely, 2^3321021330 is an apocalyptic number.

3321021330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3321021330 is an abundant number, since it is smaller than the sum of its proper divisors (6340140270).

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

3321021330 is a wasteful number, since it uses less digits than its factorization.

3321021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118216 (or 1118210 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3321021330 is about 57628.3032025063. The cubic root of 3321021330 is about 1491.9601441363.

Adding to 3321021330 its reverse (331201233), we get a palindrome (3652222563).

The spelling of 3321021330 in words is "three billion, three hundred twenty-one million, twenty-one thousand, three hundred thirty".