20042444012317 has 2 divisors, whose sum is σ = 20042444012318. Its totient is φ = 20042444012316.

The previous prime is 20042444012303. The next prime is 20042444012329. The reversal of 20042444012317 is 71321044424002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19450119832441 + 592324179876 = 4410229^2 + 769626^2 .

It is a cyclic number.

It is not a de Polignac number, because 20042444012317 - 2¹⁹ = 20042443488029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20042444012347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021222006158 + 10021222006159.

It is an arithmetic number, because the mean of its divisors is an integer number (10021222006159).

Almost surely, 2^{20042444012317} is an apocalyptic number.

It is an amenable number.

20042444012317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042444012317 is an equidigital number, since it uses as much as digits as its factorization.

20042444012317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 34.

Adding to 20042444012317 its reverse (71321044424002), we get a palindrome (91363488436319).

The spelling of 20042444012317 in words is "twenty trillion, forty-two billion, four hundred forty-four million, twelve thousand, three hundred seventeen".