220328 has 8 divisors (see below), whose sum is σ = 413130. Its totient is φ = 110160.

The previous prime is 220327. The next prime is 220333. The reversal of 220328 is 823022.

220328 is digitally balanced in base 2, 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., 195364 + 24964 = 442^2 + 158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 13763 + ... + 13778.

2²²⁰³²⁸ is an apocalyptic number.

It is an amenable number.

220328 is a deficient number, since it is larger than the sum of its proper divisors (192802).

220328 is a wasteful number, since it uses less digits than its factorization.

220328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27547 (or 27543 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 220328 is about 469.3910949304. The cubic root of 220328 is about 60.3980935907.

The spelling of 220328 in words is "two hundred twenty thousand, three hundred twenty-eight".