20240671422017 has 2 divisors, whose sum is σ = 20240671422018. Its totient is φ = 20240671422016.

The previous prime is 20240671421983. The next prime is 20240671422077. The reversal of 20240671422017 is 71022417604202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15756763531441 + 4483907890576 = 3969479^2 + 2117524^2 .

It is a cyclic number.

It is not a de Polignac number, because 20240671422017 - 2⁶ = 20240671421953 is a prime.

It is a super-2 number, since 2×20240671422017² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20240671422077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120335711008 + 10120335711009.

It is an arithmetic number, because the mean of its divisors is an integer number (10120335711009).

Almost surely, 2^{20240671422017} is an apocalyptic number.

It is an amenable number.

20240671422017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20240671422017 is an equidigital number, since it uses as much as digits as its factorization.

20240671422017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 20240671422017 in words is "twenty trillion, two hundred forty billion, six hundred seventy-one million, four hundred twenty-two thousand, seventeen".