20110020113 has 2 divisors, whose sum is σ = 20110020114. Its totient is φ = 20110020112.

The previous prime is 20110020107. The next prime is 20110020131. The reversal of 20110020113 is 31102001102.

Together with next prime (20110020131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16025787649 + 4084232464 = 126593^2 + 63908^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110020113 - 2⁴ = 20110020097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110020094 and 20110020103.

It is not a weakly prime, because it can be changed into another prime (20110020713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055010056 + 10055010057.

It is an arithmetic number, because the mean of its divisors is an integer number (10055010057).

Almost surely, 2^20110020113 is an apocalyptic number.

It is an amenable number.

20110020113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110020113 is an equidigital number, since it uses as much as digits as its factorization.

20110020113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20110020113 its reverse (31102001102), we get a palindrome (51212021215).

The spelling of 20110020113 in words is "twenty billion, one hundred ten million, twenty thousand, one hundred thirteen".