220329 has 6 divisors (see below), whose sum is σ = 318266. Its totient is φ = 146880.

The previous prime is 220327. The next prime is 220333. The reversal of 220329 is 923022.

220329 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 99225 = 348^2 + 315^2 .

It is not a de Polignac number, because 220329 - 2¹ = 220327 is a prime.

It is a Duffinian number.

220329 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (220327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12232 + ... + 12249.

2²²⁰³²⁹ is an apocalyptic number.

It is an amenable number.

220329 is a deficient number, since it is larger than the sum of its proper divisors (97937).

220329 is a wasteful number, since it uses less digits than its factorization.

220329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24487 (or 24484 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 220329 is about 469.3921601390. The cubic root of 220329 is about 60.3981849666.

The spelling of 220329 in words is "two hundred twenty thousand, three hundred twenty-nine".