3321222120020 has 384 divisors, whose sum is σ = 9103933440000. Its totient is φ = 990630051840.

The previous prime is 3321222120019. The next prime is 3321222120067. The reversal of 3321222120020 is 200212221233.

It is a happy number.

It is a super-2 number, since 2×3321222120020² (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 = 3321222119974 and 3321222120001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2119477277 + ... + 2119478843.

It is an arithmetic number, because the mean of its divisors is an integer number (23708160000).

Almost surely, 2^{3321222120020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321222120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4551966720000).

3321222120020 is an abundant number, since it is smaller than the sum of its proper divisors (5782711319980).

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

3321222120020 is a wasteful number, since it uses less digits than its factorization.

3321222120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 3321222120020 its reverse (200212221233), we get a palindrome (3521434341253).

The spelling of 3321222120020 in words is "three trillion, three hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, twenty".