20079013 has 8 divisors (see below), whose sum is σ = 20442240. Its totient is φ = 19718160.

The previous prime is 20079001. The next prime is 20079043. The reversal of 20079013 is 31097002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20079013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20079043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27256 + ... + 27982.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^20079013 is an apocalyptic number.

It is an amenable number.

20079013 is a deficient number, since it is larger than the sum of its proper divisors (363227).

20079013 is an equidigital number, since it uses as much as digits as its factorization.

20079013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 20079013 is about 4480.9611692136. The cubic root of 20079013 is about 271.7987490925.

The spelling of 20079013 in words is "twenty million, seventy-nine thousand, thirteen".