20183838364 has 12 divisors (see below), whose sum is σ = 35334871600. Its totient is φ = 10088160768.

The previous prime is 20183838349. The next prime is 20183838379. The reversal of 20183838364 is 46383838102.

It is an interprime number because it is at equal distance from previous prime (20183838349) and next prime (20183838379).

It is a super-2 number, since 2×20183838364² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927504 + ... + 949015.

Almost surely, 2^20183838364 is an apocalyptic number.

It is an amenable number.

20183838364 is a deficient number, since it is larger than the sum of its proper divisors (15151033236).

20183838364 is a wasteful number, since it uses less digits than its factorization.

20183838364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879212 (or 1879210 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 20183838364 in words is "twenty billion, one hundred eighty-three million, eight hundred thirty-eight thousand, three hundred sixty-four".