33920003481 has 48 divisors (see below), whose sum is σ = 56692448064. Its totient is φ = 17880863616.

The previous prime is 33920003471. The next prime is 33920003483. The reversal of 33920003481 is 18430002933.

It is a happy number.

It is not a de Polignac number, because 33920003481 - 2⁵ = 33920003449 is a prime.

It is a super-2 number, since 2×33920003481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33920003483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3792691 + ... + 3801623.

It is an arithmetic number, because the mean of its divisors is an integer number (1181092668).

Almost surely, 2^33920003481 is an apocalyptic number.

It is an amenable number.

33920003481 is a deficient number, since it is larger than the sum of its proper divisors (22772444583).

33920003481 is a wasteful number, since it uses less digits than its factorization.

33920003481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10950 (or 10943 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 33920003481 in words is "thirty-three billion, nine hundred twenty million, three thousand, four hundred eighty-one".