20103268795731 has 24 divisors (see below), whose sum is σ = 32851132851264. Its totient is φ = 12183799268520.

The previous prime is 20103268795723. The next prime is 20103268795739. The reversal of 20103268795731 is 13759786230102.

20103268795731 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 3 + 2 + 68 + 7 + 9 + 573 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20103268795723) and next prime (20103268795739).

It is not a de Polignac number, because 20103268795731 - 2³ = 20103268795723 is a prime.

It is a super-2 number, since 2×20103268795731² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20103268795739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3760429201 + ... + 3760434546.

It is an arithmetic number, because the mean of its divisors is an integer number (1368797202136).

Almost surely, 2^{20103268795731} is an apocalyptic number.

20103268795731 is a deficient number, since it is larger than the sum of its proper divisors (12747864055533).

20103268795731 is an equidigital number, since it uses as much as digits as its factorization.

20103268795731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520863773 (or 7520863761 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 20103268795731 in words is "twenty trillion, one hundred three billion, two hundred sixty-eight million, seven hundred ninety-five thousand, seven hundred thirty-one".