20033867768 has 32 divisors (see below), whose sum is σ = 37945538400. Its totient is φ = 9915239808.

The previous prime is 20033867759. The next prime is 20033867807. The reversal of 20033867768 is 86776833002.

It is a happy number.

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, 916130 + ... + 937742.

It is an arithmetic number, because the mean of its divisors is an integer number (1185798075).

Almost surely, 2^20033867768 is an apocalyptic number.

It is an amenable number.

20033867768 is a deficient number, since it is larger than the sum of its proper divisors (17911670632).

20033867768 is a wasteful number, since it uses less digits than its factorization.

20033867768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22791 (or 22787 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 20033867768 in words is "twenty billion, thirty-three million, eight hundred sixty-seven thousand, seven hundred sixty-eight".