33920031142 has 16 divisors (see below), whose sum is σ = 51502252032. Its totient is φ = 16752686920.

The previous prime is 33920031137. The next prime is 33920031169. The reversal of 33920031142 is 24113002933.

It is a self number, because there is not a number n which added to its sum of digits gives 33920031142.

It is a congruent number.

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, 1132443 + ... + 1162009.

It is an arithmetic number, because the mean of its divisors is an integer number (3218890752).

Almost surely, 2^33920031142 is an apocalyptic number.

33920031142 is a deficient number, since it is larger than the sum of its proper divisors (17582220890).

33920031142 is a wasteful number, since it uses less digits than its factorization.

33920031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36563.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 33920031142 in words is "thirty-three billion, nine hundred twenty million, thirty-one thousand, one hundred forty-two".