20013011302323 has 32 divisors (see below), whose sum is σ = 28748982124800. Its totient is φ = 12310407527040.

The previous prime is 20013011302231. The next prime is 20013011302369. The reversal of 20013011302323 is 32320311031002.

It is not a de Polignac number, because 20013011302323 - 2¹⁸ = 20013011040179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20013011302323.

It is not an unprimeable number, because it can be changed into a prime (20013011302723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1223056740 + ... + 1223073102.

It is an arithmetic number, because the mean of its divisors is an integer number (898405691400).

Almost surely, 2^{20013011302323} is an apocalyptic number.

20013011302323 is a deficient number, since it is larger than the sum of its proper divisors (8735970822477).

20013011302323 is a wasteful number, since it uses less digits than its factorization.

20013011302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27939.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20013011302323 its reverse (32320311031002), we get a palindrome (52333322333325).

The spelling of 20013011302323 in words is "twenty trillion, thirteen billion, eleven million, three hundred two thousand, three hundred twenty-three".