3321211320020 has 24 divisors (see below), whose sum is σ = 7608593206368. Its totient is φ = 1207713207200.

The previous prime is 3321211320001. The next prime is 3321211320047. The reversal of 3321211320020 is 200231121233.

It is a super-2 number, since 2×3321211320020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3321211319974 and 3321211320001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7548207326 + ... + 7548207765.

It is an arithmetic number, because the mean of its divisors is an integer number (317024716932).

Almost surely, 2^{3321211320020} is an apocalyptic number.

It is an amenable number.

3321211320020 is an abundant number, since it is smaller than the sum of its proper divisors (4287381886348).

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

3321211320020 is a wasteful number, since it uses less digits than its factorization.

3321211320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15096415111 (or 15096415109 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3321211320020 its reverse (200231121233), we get a palindrome (3521442441253).

The spelling of 3321211320020 in words is "three trillion, three hundred twenty-one billion, two hundred eleven million, three hundred twenty thousand, twenty".