33013432220 has 24 divisors (see below), whose sum is σ = 69502854624. Its totient is φ = 13172106816.

The previous prime is 33013432219. The next prime is 33013432247. The reversal of 33013432220 is 2223431033.

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, 2070992 + ... + 2086871.

It is an arithmetic number, because the mean of its divisors is an integer number (2895952276).

Almost surely, 2^33013432220 is an apocalyptic number.

It is an amenable number.

33013432220 is an abundant number, since it is smaller than the sum of its proper divisors (36489422404).

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

33013432220 is a wasteful number, since it uses less digits than its factorization.

33013432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158269 (or 4158267 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33013432220 its reverse (2223431033), we get a palindrome (35236863253).

The spelling of 33013432220 in words is "thirty-three billion, thirteen million, four hundred thirty-two thousand, two hundred twenty".