20005824368717 has 12 divisors (see below), whose sum is σ = 21990316836768. Its totient is φ = 18186746034600.

The previous prime is 20005824368683. The next prime is 20005824368779. The reversal of 20005824368717 is 71786342850002.

It is not a de Polignac number, because 20005824368717 - 2²⁰ = 20005823320141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005824368017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4444478 + ... + 7730784.

It is an arithmetic number, because the mean of its divisors is an integer number (1832526403064).

Almost surely, 2^{20005824368717} is an apocalyptic number.

It is an amenable number.

20005824368717 is a deficient number, since it is larger than the sum of its proper divisors (1984492468051).

20005824368717 is a wasteful number, since it uses less digits than its factorization.

20005824368717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336640 (or 3336629 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 20005824368717 in words is "twenty trillion, five billion, eight hundred twenty-four million, three hundred sixty-eight thousand, seven hundred seventeen".