20113230330013 has 4 divisors (see below), whose sum is σ = 20116765795420. Its totient is φ = 20109694864608.

The previous prime is 20113230330001. The next prime is 20113230330059. The reversal of 20113230330013 is 31003303231102.

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 15832456916004 + 4280773414009 = 3979002^2 + 2069003^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113230330013 - 2²⁹ = 20112693459101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113240330013) 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, 1767724170 + ... + 1767735547.

It is an arithmetic number, because the mean of its divisors is an integer number (5029191448855).

Almost surely, 2^{20113230330013} is an apocalyptic number.

It is an amenable number.

20113230330013 is a deficient number, since it is larger than the sum of its proper divisors (3535465407).

20113230330013 is an equidigital number, since it uses as much as digits as its factorization.

20113230330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535465406.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20113230330013 its reverse (31003303231102), we get a palindrome (51116533561115).

The spelling of 20113230330013 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty million, three hundred thirty thousand, thirteen".