20075434422917 has 2 divisors, whose sum is σ = 20075434422918. Its totient is φ = 20075434422916.

The previous prime is 20075434422877. The next prime is 20075434422931. The reversal of 20075434422917 is 71922443457002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17519531981956 + 2555902440961 = 4185634^2 + 1598719^2 .

It is a cyclic number.

It is not a de Polignac number, because 20075434422917 - 2⁶ = 20075434422853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20075434422317) 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, 10037717211458 + 10037717211459.

It is an arithmetic number, because the mean of its divisors is an integer number (10037717211459).

Almost surely, 2^{20075434422917} is an apocalyptic number.

It is an amenable number.

20075434422917 is a deficient number, since it is larger than the sum of its proper divisors (1).

20075434422917 is an equidigital number, since it uses as much as digits as its factorization.

20075434422917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 50.

Adding to 20075434422917 its reverse (71922443457002), we get a palindrome (91997877879919).

The spelling of 20075434422917 in words is "twenty trillion, seventy-five billion, four hundred thirty-four million, four hundred twenty-two thousand, nine hundred seventeen".