3321021120020 has 12 divisors (see below), whose sum is σ = 6974144352084. Its totient is φ = 1328408448000.

The previous prime is 3321021120013. The next prime is 3321021120037. The reversal of 3321021120020 is 200211201233.

It can be written as a sum of positive squares in 2 ways, for example, as 651320017936 + 2669701102084 = 807044^2 + 1633922^2 .

It is a super-2 number, since 2×3321021120020² (a number of 26 digits) 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 3 ways as a sum of consecutive naturals, for example, 83025527981 + ... + 83025528020.

It is an arithmetic number, because the mean of its divisors is an integer number (581178696007).

Almost surely, 2^{3321021120020} is an apocalyptic number.

It is an amenable number.

3321021120020 is an abundant number, since it is smaller than the sum of its proper divisors (3653123232064).

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

3321021120020 is a wasteful number, since it uses less digits than its factorization.

3321021120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166051056010 (or 166051056008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3321021120020 its reverse (200211201233), we get a palindrome (3521232321253).

The spelling of 3321021120020 in words is "three trillion, three hundred twenty-one billion, twenty-one million, one hundred twenty thousand, twenty".