20023200032113 has 4 divisors (see below), whose sum is σ = 20400996259188. Its totient is φ = 19645403805040.

The previous prime is 20023200032053. The next prime is 20023200032197. The reversal of 20023200032113 is 31123000232002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13090126608784 + 6933073423329 = 3618028^2 + 2633073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023200032113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023200032513) 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, 188898113458 + ... + 188898113563.

It is an arithmetic number, because the mean of its divisors is an integer number (5100249064797).

Almost surely, 2^{20023200032113} is an apocalyptic number.

It is an amenable number.

20023200032113 is a deficient number, since it is larger than the sum of its proper divisors (377796227075).

20023200032113 is an equidigital number, since it uses as much as digits as its factorization.

20023200032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377796227074.

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

Adding to 20023200032113 its reverse (31123000232002), we get a palindrome (51146200264115).

The spelling of 20023200032113 in words is "twenty trillion, twenty-three billion, two hundred million, thirty-two thousand, one hundred thirteen".