20733857333884 has 6 divisors (see below), whose sum is σ = 36284250334304. Its totient is φ = 10366928666940.

The previous prime is 20733857333873. The next prime is 20733857333899. The reversal of 20733857333884 is 48833375833702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2591732166732 + ... + 2591732166739.

Almost surely, 2^{20733857333884} is an apocalyptic number.

It is an amenable number.

20733857333884 is a deficient number, since it is larger than the sum of its proper divisors (15550393000420).

20733857333884 is a wasteful number, since it uses less digits than its factorization.

20733857333884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183464333475 (or 5183464333473 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 64.

The spelling of 20733857333884 in words is "twenty trillion, seven hundred thirty-three billion, eight hundred fifty-seven million, three hundred thirty-three thousand, eight hundred eighty-four".