20340167 has 2 divisors, whose sum is σ = 20340168. Its totient is φ = 20340166.

The previous prime is 20340101. The next prime is 20340179. The reversal of 20340167 is 76104302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20340167 - 2¹⁴ = 20323783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20340197) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170083 + 10170084.

It is an arithmetic number, because the mean of its divisors is an integer number (10170084).

Almost surely, 2^20340167 is an apocalyptic number.

20340167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340167 is an equidigital number, since it uses as much as digits as its factorization.

20340167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20340167 is about 4510.0074279318. The cubic root of 20340167 is about 272.9720438126.

Adding to 20340167 its reverse (76104302), we get a palindrome (96444469).

The spelling of 20340167 in words is "twenty million, three hundred forty thousand, one hundred sixty-seven".