33112232020 has 48 divisors (see below), whose sum is σ = 79682537088. Its totient is φ = 11322311040.

The previous prime is 33112232011. The next prime is 33112232033. The reversal of 33112232020 is 2023221133.

It is a congruent number.

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, 264826 + ... + 369265.

It is an arithmetic number, because the mean of its divisors is an integer number (1660052856).

Almost surely, 2^33112232020 is an apocalyptic number.

It is an amenable number.

33112232020 is an abundant number, since it is smaller than the sum of its proper divisors (46570305068).

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

33112232020 is a wasteful number, since it uses less digits than its factorization.

33112232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634480 (or 634478 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33112232020 its reverse (2023221133), we get a palindrome (35135453153).

The spelling of 33112232020 in words is "thirty-three billion, one hundred twelve million, two hundred thirty-two thousand, twenty".