20095171 has 2 divisors, whose sum is σ = 20095172. Its totient is φ = 20095170.

The previous prime is 20095133. The next prime is 20095189. The reversal of 20095171 is 17159002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20095171 - 2¹¹ = 20093123 is a prime.

It is not a weakly prime, because it can be changed into another prime (20095111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10047585 + 10047586.

It is an arithmetic number, because the mean of its divisors is an integer number (10047586).

Almost surely, 2^20095171 is an apocalyptic number.

20095171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20095171 is an equidigital number, since it uses as much as digits as its factorization.

20095171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 20095171 is about 4482.7637680342. The cubic root of 20095171 is about 271.8716369162.

The spelling of 20095171 in words is "twenty million, ninety-five thousand, one hundred seventy-one".