33020031044 has 96 divisors (see below), whose sum is σ = 79236734976. Its totient is φ = 11622602880.

The previous prime is 33020031007. The next prime is 33020031059. The reversal of 33020031044 is 44013002033.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100457 + ... + 275919.

It is an arithmetic number, because the mean of its divisors is an integer number (825382656).

Almost surely, 2^33020031044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33020031044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39618367488).

33020031044 is an abundant number, since it is smaller than the sum of its proper divisors (46216703932).

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

33020031044 is a wasteful number, since it uses less digits than its factorization.

33020031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175545 (or 175543 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33020031044 its reverse (44013002033), we get a palindrome (77033033077).

The spelling of 33020031044 in words is "thirty-three billion, twenty million, thirty-one thousand, forty-four".