20132003173 has 2 divisors, whose sum is σ = 20132003174. Its totient is φ = 20132003172.

The previous prime is 20132003161. The next prime is 20132003183. The reversal of 20132003173 is 37130023102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17407371969 + 2724631204 = 131937^2 + 52198^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132003173 - 2⁹ = 20132002661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132003183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066001586 + 10066001587.

It is an arithmetic number, because the mean of its divisors is an integer number (10066001587).

Almost surely, 2^20132003173 is an apocalyptic number.

It is an amenable number.

20132003173 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132003173 is an equidigital number, since it uses as much as digits as its factorization.

20132003173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 20132003173 its reverse (37130023102), we get a palindrome (57262026275).

The spelling of 20132003173 in words is "twenty billion, one hundred thirty-two million, three thousand, one hundred seventy-three".