20093040342017 has 2 divisors, whose sum is σ = 20093040342018. Its totient is φ = 20093040342016.

The previous prime is 20093040341989. The next prime is 20093040342043. The reversal of 20093040342017 is 71024304039002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18233591746561 + 1859448595456 = 4270081^2 + 1363616^2 .

It is a cyclic number.

It is not a de Polignac number, because 20093040342017 - 2¹⁶ = 20093040276481 is a prime.

It is not a weakly prime, because it can be changed into another prime (20093040342047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046520171008 + 10046520171009.

It is an arithmetic number, because the mean of its divisors is an integer number (10046520171009).

Almost surely, 2^{20093040342017} is an apocalyptic number.

It is an amenable number.

20093040342017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20093040342017 is an equidigital number, since it uses as much as digits as its factorization.

20093040342017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 20093040342017 in words is "twenty trillion, ninety-three billion, forty million, three hundred forty-two thousand, seventeen".