20117040270167 has 2 divisors, whose sum is σ = 20117040270168. Its totient is φ = 20117040270166.

The previous prime is 20117040270149. The next prime is 20117040270199. The reversal of 20117040270167 is 76107204071102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20117040270167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20117040270167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20117040270127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058520135083 + 10058520135084.

It is an arithmetic number, because the mean of its divisors is an integer number (10058520135084).

Almost surely, 2^{20117040270167} is an apocalyptic number.

20117040270167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20117040270167 is an equidigital number, since it uses as much as digits as its factorization.

20117040270167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 20117040270167 in words is "twenty trillion, one hundred seventeen billion, forty million, two hundred seventy thousand, one hundred sixty-seven".