20142233173 has 2 divisors, whose sum is σ = 20142233174. Its totient is φ = 20142233172.

The previous prime is 20142233159. The next prime is 20142233207. The reversal of 20142233173 is 37133224102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18403092964 + 1739140209 = 135658^2 + 41703^2 .

It is a cyclic number.

It is not a de Polignac number, because 20142233173 - 2²⁹ = 19605362261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20142233113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071116586 + 10071116587.

It is an arithmetic number, because the mean of its divisors is an integer number (10071116587).

Almost surely, 2^20142233173 is an apocalyptic number.

It is an amenable number.

20142233173 is a deficient number, since it is larger than the sum of its proper divisors (1).

20142233173 is an equidigital number, since it uses as much as digits as its factorization.

20142233173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 20142233173 its reverse (37133224102), we get a palindrome (57275457275).

The spelling of 20142233173 in words is "twenty billion, one hundred forty-two million, two hundred thirty-three thousand, one hundred seventy-three".