220396 has 12 divisors (see below), whose sum is σ = 420840. Its totient is φ = 100160.

The previous prime is 220391. The next prime is 220399. The reversal of 220396 is 693022.

It is a Harshad number since it is a multiple of its sum of digits (22).

220396 is a modest number, since divided by 396 gives 220 as remainder.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (220391) by changing a digit.

220396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (35070).

2²²⁰³⁹⁶ is an apocalyptic number.

It is an amenable number.

220396 is a deficient number, since it is larger than the sum of its proper divisors (200444).

220396 is a wasteful number, since it uses less digits than its factorization.

220396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024 (or 5022 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 220396 is about 469.4635236097. The cubic root of 220396 is about 60.4043065216.

It can be divided in two parts, 220 and 396, that added together give a palindrome (616).

The spelling of 220396 in words is "two hundred twenty thousand, three hundred ninety-six".