20112312303 has 12 divisors (see below), whose sum is σ = 30314210160. Its totient is φ = 12825242496.

The previous prime is 20112312289. The next prime is 20112312329. The reversal of 20112312303 is 30321321102.

20112312303 is a `hidden beast` number, since 201 + 1 + 231 + 230 + 3 = 666.

It is not a de Polignac number, because 20112312303 - 2⁴ = 20112312287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112312403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48580258 + ... + 48580671.

It is an arithmetic number, because the mean of its divisors is an integer number (2526184180).

Almost surely, 2^20112312303 is an apocalyptic number.

20112312303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20112312303 is a deficient number, since it is larger than the sum of its proper divisors (10201897857).

20112312303 is a wasteful number, since it uses less digits than its factorization.

20112312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97160958 (or 97160955 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20112312303 its reverse (30321321102), we get a palindrome (50433633405).

The spelling of 20112312303 in words is "twenty billion, one hundred twelve million, three hundred twelve thousand, three hundred three".