33212022020 has 48 divisors (see below), whose sum is σ = 70114321200. Its totient is φ = 13214638080.

The previous prime is 33212021959. The next prime is 33212022037. The reversal of 33212022020 is 2022021233.

It can be written as a sum of positive squares in 8 ways, for example, as 9351364 + 33202670656 = 3058^2 + 182216^2 .

It is a super-2 number, since 2×33212022020² (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 33212022020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4859966 + ... + 4866794.

It is an arithmetic number, because the mean of its divisors is an integer number (1460715025).

Almost surely, 2^33212022020 is an apocalyptic number.

It is an amenable number.

33212022020 is an abundant number, since it is smaller than the sum of its proper divisors (36902299180).

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

33212022020 is a wasteful number, since it uses less digits than its factorization.

33212022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088 (or 8086 counting only the distinct ones).

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

Adding to 33212022020 its reverse (2022021233), we get a palindrome (35234043253).

The spelling of 33212022020 in words is "thirty-three billion, two hundred twelve million, twenty-two thousand, twenty".