20706314113 has 2 divisors, whose sum is σ = 20706314114. Its totient is φ = 20706314112.

The previous prime is 20706314093. The next prime is 20706314141. The reversal of 20706314113 is 31141360702.

It is an a-pointer prime, because the next prime (20706314141) can be obtained adding 20706314113 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20680740864 + 25573249 = 143808^2 + 5057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20706314113 is a prime.

It is not a weakly prime, because it can be changed into another prime (20706314183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10353157056 + 10353157057.

It is an arithmetic number, because the mean of its divisors is an integer number (10353157057).

Almost surely, 2^20706314113 is an apocalyptic number.

It is an amenable number.

20706314113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20706314113 is an equidigital number, since it uses as much as digits as its factorization.

20706314113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 20706314113 its reverse (31141360702), we get a palindrome (51847674815).

The spelling of 20706314113 in words is "twenty billion, seven hundred six million, three hundred fourteen thousand, one hundred thirteen".