20220200173 has 2 divisors, whose sum is σ = 20220200174. Its totient is φ = 20220200172.

The previous prime is 20220200171. The next prime is 20220200191. The reversal of 20220200173 is 37100202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15917102569 + 4303097604 = 126163^2 + 65598^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220200173 - 2¹ = 20220200171 is a prime.

Together with 20220200171, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20220200173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220200171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110100086 + 10110100087.

It is an arithmetic number, because the mean of its divisors is an integer number (10110100087).

Almost surely, 2^20220200173 is an apocalyptic number.

It is an amenable number.

20220200173 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220200173 is an equidigital number, since it uses as much as digits as its factorization.

20220200173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

Adding to 20220200173 its reverse (37100202202), we get a palindrome (57320402375).

The spelling of 20220200173 in words is "twenty billion, two hundred twenty million, two hundred thousand, one hundred seventy-three".