20193167 has 2 divisors, whose sum is σ = 20193168. Its totient is φ = 20193166.

The previous prime is 20193133. The next prime is 20193191. The reversal of 20193167 is 76139102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20193167 - 2²⁰ = 19144591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20193967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096583 + 10096584.

It is an arithmetic number, because the mean of its divisors is an integer number (10096584).

Almost surely, 2^20193167 is an apocalyptic number.

20193167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20193167 is an equidigital number, since it uses as much as digits as its factorization.

20193167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 20193167 is about 4493.6807852806. The cubic root of 20193167 is about 272.3128563834.

The spelling of 20193167 in words is "twenty million, one hundred ninety-three thousand, one hundred sixty-seven".