220548 has 12 divisors (see below), whose sum is σ = 514640. Its totient is φ = 73512.

The previous prime is 220543. The next prime is 220553. The reversal of 220548 is 845022.

220548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220543) and next prime (220553).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220548.

It is not an unprimeable number, because it can be changed into a prime (220543) by changing a digit.

220548 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9178 + ... + 9201.

2²²⁰⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

220548 is an abundant number, since it is smaller than the sum of its proper divisors (294092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220548 is a wasteful number, since it uses less digits than its factorization.

220548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18386 (or 18384 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 220548 is about 469.6253826190. The cubic root of 220548 is about 60.4181896300.

The spelling of 220548 in words is "two hundred twenty thousand, five hundred forty-eight".