33202221020 has 24 divisors (see below), whose sum is σ = 69728105664. Its totient is φ = 13280232896.

The previous prime is 33202221001. The next prime is 33202221049. The reversal of 33202221020 is 2012220233.

It is a super-2 number, since 2×33202221020² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33202221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710909 + ... + 756171.

It is an arithmetic number, because the mean of its divisors is an integer number (2905337736).

Almost surely, 2^33202221020 is an apocalyptic number.

It is an amenable number.

33202221020 is an abundant number, since it is smaller than the sum of its proper divisors (36525884644).

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

33202221020 is a wasteful number, since it uses less digits than its factorization.

33202221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81949 (or 81947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 33202221020 its reverse (2012220233), we get a palindrome (35214441253).

The spelling of 33202221020 in words is "thirty-three billion, two hundred two million, two hundred twenty-one thousand, twenty".