20002112017 has 2 divisors, whose sum is σ = 20002112018. Its totient is φ = 20002112016.

The previous prime is 20002111999. The next prime is 20002112057. The reversal of 20002112017 is 71021120002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16148309776 + 3853802241 = 127076^2 + 62079^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002112017 - 2¹¹ = 20002109969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002112057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001056008 + 10001056009.

It is an arithmetic number, because the mean of its divisors is an integer number (10001056009).

Almost surely, 2^20002112017 is an apocalyptic number.

It is an amenable number.

20002112017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002112017 is an equidigital number, since it uses as much as digits as its factorization.

20002112017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 20002112017 its reverse (71021120002), we get a palindrome (91023232019).

The spelling of 20002112017 in words is "twenty billion, two million, one hundred twelve thousand, seventeen".