220379 has 4 divisors (see below), whose sum is σ = 227520. Its totient is φ = 213240.

The previous prime is 220373. The next prime is 220391. The reversal of 220379 is 973022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973022 = 2 ⋅486511.

It is a cyclic number.

It is not a de Polignac number, because 220379 - 2⁸ = 220123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220373) 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, 3524 + ... + 3585.

It is an arithmetic number, because the mean of its divisors is an integer number (56880).

2²²⁰³⁷⁹ is an apocalyptic number.

220379 is a deficient number, since it is larger than the sum of its proper divisors (7141).

220379 is an equidigital number, since it uses as much as digits as its factorization.

220379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 220379 is about 469.4454174875. The cubic root of 220379 is about 60.4027534087.

The spelling of 220379 in words is "two hundred twenty thousand, three hundred seventy-nine".