20220200171 has 2 divisors, whose sum is σ = 20220200172. Its totient is φ = 20220200170.

The previous prime is 20220200167. The next prime is 20220200173. The reversal of 20220200171 is 17100202202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20220200171 - 2² = 20220200167 is a prime.

Together with 20220200173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20220200173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110100085 + 10110100086.

It is an arithmetic number, because the mean of its divisors is an integer number (10110100086).

Almost surely, 2^20220200171 is an apocalyptic number.

20220200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220200171 is an equidigital number, since it uses as much as digits as its factorization.

20220200171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 20220200171 its reverse (17100202202), we get a palindrome (37320402373).

The spelling of 20220200171 in words is "twenty billion, two hundred twenty million, two hundred thousand, one hundred seventy-one".