20032413173 has 2 divisors, whose sum is σ = 20032413174. Its totient is φ = 20032413172.

The previous prime is 20032413133. The next prime is 20032413239. The reversal of 20032413173 is 37131423002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19645386244 + 387026929 = 140162^2 + 19673^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032413173 - 2¹² = 20032409077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032413103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016206586 + 10016206587.

It is an arithmetic number, because the mean of its divisors is an integer number (10016206587).

Almost surely, 2^20032413173 is an apocalyptic number.

It is an amenable number.

20032413173 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032413173 is an equidigital number, since it uses as much as digits as its factorization.

20032413173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20032413173 its reverse (37131423002), we get a palindrome (57163836175).

The spelling of 20032413173 in words is "twenty billion, thirty-two million, four hundred thirteen thousand, one hundred seventy-three".