20750000113 has 2 divisors, whose sum is σ = 20750000114. Its totient is φ = 20750000112.

The previous prime is 20750000101. The next prime is 20750000171. The reversal of 20750000113 is 31100005702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14248480689 + 6501519424 = 119367^2 + 80632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20750000113 - 2⁹ = 20749999601 is a prime.

It is not a weakly prime, because it can be changed into another prime (20750001113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375000056 + 10375000057.

It is an arithmetic number, because the mean of its divisors is an integer number (10375000057).

Almost surely, 2^20750000113 is an apocalyptic number.

It is an amenable number.

20750000113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20750000113 is an equidigital number, since it uses as much as digits as its factorization.

20750000113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

Adding to 20750000113 its reverse (31100005702), we get a palindrome (51850005815).

The spelling of 20750000113 in words is "twenty billion, seven hundred fifty million, one hundred thirteen", and thus it is an aban number.