20113023101013 has 28 divisors (see below), whose sum is σ = 30157956314028. Its totient is φ = 13407696460800.

The previous prime is 20113023100999. The next prime is 20113023101077. The reversal of 20113023101013 is 31010132031102.

20113023101013 is a `hidden beast` number, since 20 + 11 + 302 + 310 + 10 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2187139294404 + 17925883806609 = 1478898^2 + 4233897^2 .

It is not a de Polignac number, because 20113023101013 - 2⁶ = 20113023100949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113023100013) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8977963 + ... + 10992263.

Almost surely, 2^{20113023101013} is an apocalyptic number.

It is an amenable number.

20113023101013 is a deficient number, since it is larger than the sum of its proper divisors (10044933213015).

20113023101013 is an equidigital number, since it uses as much as digits as its factorization.

20113023101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028016 (or 2028001 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20113023101013 its reverse (31010132031102), we get a palindrome (51123155132115).

The spelling of 20113023101013 in words is "twenty trillion, one hundred thirteen billion, twenty-three million, one hundred one thousand, thirteen".