20244000017 has 2 divisors, whose sum is σ = 20244000018. Its totient is φ = 20244000016.

The previous prime is 20244000013. The next prime is 20244000067. The reversal of 20244000017 is 71000044202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17297247361 + 2946752656 = 131519^2 + 54284^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244000017 - 2² = 20244000013 is a prime.

It is not a weakly prime, because it can be changed into another prime (20244000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122000008 + 10122000009.

It is an arithmetic number, because the mean of its divisors is an integer number (10122000009).

Almost surely, 2^20244000017 is an apocalyptic number.

It is an amenable number.

20244000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244000017 is an equidigital number, since it uses as much as digits as its factorization.

20244000017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 20244000017 its reverse (71000044202), we get a palindrome (91244044219).

The spelling of 20244000017 in words is "twenty billion, two hundred forty-four million, seventeen", and thus it is an aban number.