33220213032 has 32 divisors (see below), whose sum is σ = 83055127680. Its totient is φ = 11072791680.

The previous prime is 33220212989. The next prime is 33220213049. The reversal of 33220213032 is 23031202233.

It is a super-2 number, since 2×33220213032² (a number of 22 digits) contains 22 as substring.

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, 677868 + ... + 725220.

It is an arithmetic number, because the mean of its divisors is an integer number (2595472740).

Almost surely, 2^33220213032 is an apocalyptic number.

It is an amenable number.

33220213032 is an abundant number, since it is smaller than the sum of its proper divisors (49834914648).

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

33220213032 is a wasteful number, since it uses less digits than its factorization.

33220213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76593 (or 76589 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33220213032 its reverse (23031202233), we get a palindrome (56251415265).

The spelling of 33220213032 in words is "thirty-three billion, two hundred twenty million, two hundred thirteen thousand, thirty-two".