20002023295717 has 2 divisors, whose sum is σ = 20002023295718. Its totient is φ = 20002023295716.

The previous prime is 20002023295679. The next prime is 20002023295739. The reversal of 20002023295717 is 71759232020002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12779952908836 + 7222070386881 = 3574906^2 + 2687391^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002023295717 - 2⁴³ = 11205930273509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002023295717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002023295747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001011647858 + 10001011647859.

It is an arithmetic number, because the mean of its divisors is an integer number (10001011647859).

Almost surely, 2^{20002023295717} is an apocalyptic number.

It is an amenable number.

20002023295717 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002023295717 is an equidigital number, since it uses as much as digits as its factorization.

20002023295717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 20002023295717 in words is "twenty trillion, two billion, twenty-three million, two hundred ninety-five thousand, seven hundred seventeen".