20130079 has 2 divisors, whose sum is σ = 20130080. Its totient is φ = 20130078.

The previous prime is 20130043. The next prime is 20130163. The reversal of 20130079 is 97003102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130079 - 2⁷ = 20129951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065039 + 10065040.

It is an arithmetic number, because the mean of its divisors is an integer number (10065040).

Almost surely, 2^20130079 is an apocalyptic number.

20130079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130079 is an equidigital number, since it uses as much as digits as its factorization.

20130079 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 22.

The square root of 20130079 is about 4486.6556587284. The cubic root of 20130079 is about 272.0289716473.

The spelling of 20130079 in words is "twenty million, one hundred thirty thousand, seventy-nine".