220650 has 24 divisors (see below), whose sum is σ = 547584. Its totient is φ = 58800.

The previous prime is 220613. The next prime is 220663. The reversal of 220650 is 56022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (22816).

2²²⁰⁶⁵⁰ is an apocalyptic number.

220650 is an abundant number, since it is smaller than the sum of its proper divisors (326934).

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

220650 is a wasteful number, since it uses less digits than its factorization.

220650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 220650 is about 469.7339672623. The cubic root of 220650 is about 60.4275023503.

Adding to 220650 its reverse (56022), we get a palindrome (276672).

The spelling of 220650 in words is "two hundred twenty thousand, six hundred fifty".