20201202005717 has 2 divisors, whose sum is σ = 20201202005718. Its totient is φ = 20201202005716.

The previous prime is 20201202005711. The next prime is 20201202005731. The reversal of 20201202005717 is 71750020210202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20123065543876 + 78136461841 = 4485874^2 + 279529^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201202005717 - 2¹⁰ = 20201202004693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20201202005717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201202005711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100601002858 + 10100601002859.

It is an arithmetic number, because the mean of its divisors is an integer number (10100601002859).

Almost surely, 2^{20201202005717} is an apocalyptic number.

It is an amenable number.

20201202005717 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201202005717 is an equidigital number, since it uses as much as digits as its factorization.

20201202005717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 20201202005717 its reverse (71750020210202), we get a palindrome (91951222215919).

The spelling of 20201202005717 in words is "twenty trillion, two hundred one billion, two hundred two million, five thousand, seven hundred seventeen".