20300023313 has 4 divisors (see below), whose sum is σ = 20341368048. Its totient is φ = 20258678580.

The previous prime is 20300023253. The next prime is 20300023319. The reversal of 20300023313 is 31332000302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31332000302 = 2 ⋅15666000151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300023313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300023291 and 20300023300.

It is not an unprimeable number, because it can be changed into a prime (20300023319) 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, 20671631 + ... + 20672612.

It is an arithmetic number, because the mean of its divisors is an integer number (5085342012).

Almost surely, 2^20300023313 is an apocalyptic number.

It is an amenable number.

20300023313 is a deficient number, since it is larger than the sum of its proper divisors (41344735).

20300023313 is an equidigital number, since it uses as much as digits as its factorization.

20300023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41344734.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20300023313 its reverse (31332000302), we get a palindrome (51632023615).

The spelling of 20300023313 in words is "twenty billion, three hundred million, twenty-three thousand, three hundred thirteen".