20301320113 has 2 divisors, whose sum is σ = 20301320114. Its totient is φ = 20301320112.

The previous prime is 20301320111. The next prime is 20301320197. The reversal of 20301320113 is 31102310302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16244012304 + 4057307809 = 127452^2 + 63697^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301320113 - 2¹ = 20301320111 is a prime.

Together with 20301320111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20301320111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150660056 + 10150660057.

It is an arithmetic number, because the mean of its divisors is an integer number (10150660057).

Almost surely, 2^20301320113 is an apocalyptic number.

It is an amenable number.

20301320113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301320113 is an equidigital number, since it uses as much as digits as its factorization.

20301320113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301320113 its reverse (31102310302), we get a palindrome (51403630415).

The spelling of 20301320113 in words is "twenty billion, three hundred one million, three hundred twenty thousand, one hundred thirteen".