220326 has 8 divisors (see below), whose sum is σ = 440664. Its totient is φ = 73440.

The previous prime is 220307. The next prime is 220327. The reversal of 220326 is 623022.

It is a sphenic number, since it is the product of 3 distinct primes.

220326 is an admirable number.

It is a Curzon number.

It is a congruent number.

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

220326 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, 18355 + ... + 18366.

It is an arithmetic number, because the mean of its divisors is an integer number (55083).

2²²⁰³²⁶ is an apocalyptic number.

220326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220326 is a wasteful number, since it uses less digits than its factorization.

220326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36726.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220326 is about 469.3889645060. The cubic root of 220326 is about 60.3979108381.

Adding to 220326 its reverse (623022), we get a palindrome (843348).

The spelling of 220326 in words is "two hundred twenty thousand, three hundred twenty-six".