20000120113 has 2 divisors, whose sum is σ = 20000120114. Its totient is φ = 20000120112.

The previous prime is 20000120093. The next prime is 20000120131. The reversal of 20000120113 is 31102100002.

Together with next prime (20000120131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12830772529 + 7169347584 = 113273^2 + 84672^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000120113 - 2¹⁷ = 19999989041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000120113.

It is not a weakly prime, because it can be changed into another prime (20000120183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000060056 + 10000060057.

It is an arithmetic number, because the mean of its divisors is an integer number (10000060057).

Almost surely, 2^20000120113 is an apocalyptic number.

It is an amenable number.

20000120113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000120113 is an equidigital number, since it uses as much as digits as its factorization.

20000120113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20000120113 its reverse (31102100002), we get a palindrome (51102220115).

The spelling of 20000120113 in words is "twenty billion, one hundred twenty thousand, one hundred thirteen".