20002023312113 has 4 divisors (see below), whose sum is σ = 20691748253940. Its totient is φ = 19312298370288.

The previous prime is 20002023312101. The next prime is 20002023312133. The reversal of 20002023312113 is 31121332020002.

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 4333029417649 + 15668993894464 = 2081593^2 + 3958408^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002023312113 - 2¹⁰ = 20002023311089 is a prime.

It is a super-2 number, since 2×20002023312113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002023312133) 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, 344862470870 + ... + 344862470927.

It is an arithmetic number, because the mean of its divisors is an integer number (5172937063485).

Almost surely, 2^{20002023312113} is an apocalyptic number.

It is an amenable number.

20002023312113 is a deficient number, since it is larger than the sum of its proper divisors (689724941827).

20002023312113 is an equidigital number, since it uses as much as digits as its factorization.

20002023312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689724941826.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20002023312113 its reverse (31121332020002), we get a palindrome (51123355332115).

The spelling of 20002023312113 in words is "twenty trillion, two billion, twenty-three million, three hundred twelve thousand, one hundred thirteen".