220672079 has 4 divisors (see below), whose sum is σ = 220759776. Its totient is φ = 220584384.

The previous prime is 220672069. The next prime is 220672093. The reversal of 220672079 is 970276022.

220672079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220672079 - 2⁴ = 220672063 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 (220672009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39959 + ... + 45144.

It is an arithmetic number, because the mean of its divisors is an integer number (55189944).

Almost surely, 2^220672079 is an apocalyptic number.

220672079 is a deficient number, since it is larger than the sum of its proper divisors (87697).

220672079 is an equidigital number, since it uses as much as digits as its factorization.

220672079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87696.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 220672079 is about 14855.0354762283. The cubic root of 220672079 is about 604.2951781122.

The spelling of 220672079 in words is "two hundred twenty million, six hundred seventy-two thousand, seventy-nine".