1330020173 has 2 divisors, whose sum is σ = 1330020174. Its totient is φ = 1330020172.

The previous prime is 1330020163. The next prime is 1330020227. The reversal of 1330020173 is 3710200331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1329842089 + 178084 = 36467^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330020173 - 2⁴ = 1330020157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330020163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665010086 + 665010087.

It is an arithmetic number, because the mean of its divisors is an integer number (665010087).

Almost surely, 2^1330020173 is an apocalyptic number.

It is an amenable number.

1330020173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330020173 is an equidigital number, since it uses as much as digits as its factorization.

1330020173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1330020173 is about 36469.4416326875. The cubic root of 1330020173 is about 1099.7300089437.

The spelling of 1330020173 in words is "one billion, three hundred thirty million, twenty thousand, one hundred seventy-three".