20938368095 has 4 divisors (see below), whose sum is σ = 25126041720. Its totient is φ = 16750694472.

The previous prime is 20938368091. The next prime is 20938368127. The reversal of 20938368095 is 59086383902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20938368095 - 2² = 20938368091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20938368091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093836805 + ... + 2093836814.

It is an arithmetic number, because the mean of its divisors is an integer number (6281510430).

Almost surely, 2^20938368095 is an apocalyptic number.

20938368095 is a deficient number, since it is larger than the sum of its proper divisors (4187673625).

20938368095 is an equidigital number, since it uses as much as digits as its factorization.

20938368095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187673624.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 20938368095 in words is "twenty billion, nine hundred thirty-eight million, three hundred sixty-eight thousand, ninety-five".