20383888670 has 16 divisors (see below), whose sum is σ = 37682648928. Its totient is φ = 7933188960.

The previous prime is 20383888663. The next prime is 20383888687. The reversal of 20383888670 is 7688838302.

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, 27545426 + ... + 27546165.

It is an arithmetic number, because the mean of its divisors is an integer number (2355165558).

Almost surely, 2^20383888670 is an apocalyptic number.

20383888670 is a deficient number, since it is larger than the sum of its proper divisors (17298760258).

20383888670 is a wasteful number, since it uses less digits than its factorization.

20383888670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55091635.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 20383888670 in words is "twenty billion, three hundred eighty-three million, eight hundred eighty-eight thousand, six hundred seventy".