20133020113 has 2 divisors, whose sum is σ = 20133020114. Its totient is φ = 20133020112.

The previous prime is 20133020071. The next prime is 20133020137. The reversal of 20133020113 is 31102033102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17899228944 + 2233791169 = 133788^2 + 47263^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133020113 - 2²⁵ = 20099465681 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133020513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066510056 + 10066510057.

It is an arithmetic number, because the mean of its divisors is an integer number (10066510057).

Almost surely, 2^20133020113 is an apocalyptic number.

It is an amenable number.

20133020113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133020113 is an equidigital number, since it uses as much as digits as its factorization.

20133020113 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 20133020113 its reverse (31102033102), we get a palindrome (51235053215).

The spelling of 20133020113 in words is "twenty billion, one hundred thirty-three million, twenty thousand, one hundred thirteen".