20313122203 has 6 divisors (see below), whose sum is σ = 22327646852. Its totient is φ = 18466474620.

The previous prime is 20313122189. The next prime is 20313122251. The reversal of 20313122203 is 30222131302.

It is not a de Polignac number, because 20313122203 - 2¹³ = 20313114011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313122273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83938401 + ... + 83938642.

Almost surely, 2^20313122203 is an apocalyptic number.

20313122203 is a deficient number, since it is larger than the sum of its proper divisors (2014524649).

20313122203 is a wasteful number, since it uses less digits than its factorization.

20313122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167877065 (or 167877054 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20313122203 its reverse (30222131302), we get a palindrome (50535253505).

Subtracting 20313122203 from its reverse (30222131302), we obtain a palindrome (9909009099).

The spelling of 20313122203 in words is "twenty billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred three".