220000079 has 8 divisors (see below), whose sum is σ = 239586480. Its totient is φ = 200794176.

The previous prime is 220000073. The next prime is 220000141. The reversal of 220000079 is 970000022.

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

It is a cyclic number.

It is not a de Polignac number, because 220000079 - 2²⁰ = 218951503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220000079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93917 + ... + 96230.

It is an arithmetic number, because the mean of its divisors is an integer number (29948310).

Almost surely, 2^220000079 is an apocalyptic number.

220000079 is a deficient number, since it is larger than the sum of its proper divisors (19586401).

220000079 is a wasteful number, since it uses less digits than its factorization.

220000079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190249.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 220000079 is about 14832.3996372805. The cubic root of 220000079 is about 603.6811459386.

The spelling of 220000079 in words is "two hundred twenty million, seventy-nine", and thus it is an aban number.