220079 has 4 divisors (see below), whose sum is σ = 222360. Its totient is φ = 217800.

The previous prime is 220063. The next prime is 220123. The reversal of 220079 is 970022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220079 - 2⁴ = 220063 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 220079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220009) 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 in 3 ways as a sum of consecutive naturals, for example, 989 + ... + 1190.

It is an arithmetic number, because the mean of its divisors is an integer number (55590).

2²²⁰⁰⁷⁹ is an apocalyptic number.

220079 is a deficient number, since it is larger than the sum of its proper divisors (2281).

220079 is a wasteful number, since it uses less digits than its factorization.

220079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

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

The square root of 220079 is about 469.1257827065. The cubic root of 220079 is about 60.3753323828.

The spelling of 220079 in words is "two hundred twenty thousand, seventy-nine".