220936 has 8 divisors (see below), whose sum is σ = 414270. Its totient is φ = 110464.

The previous prime is 220933. The next prime is 220939. The reversal of 220936 is 639022.

220936 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 (220933) and next prime (220939).

It can be written as a sum of positive squares in only one way, i.e., 220900 + 36 = 470^2 + 6^2 .

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 (220931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13801 + ... + 13816.

2²²⁰⁹³⁶ is an apocalyptic number.

It is an amenable number.

220936 is a deficient number, since it is larger than the sum of its proper divisors (193334).

220936 is a wasteful number, since it uses less digits than its factorization.

220936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27623 (or 27619 counting only the distinct ones).

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

The square root of 220936 is about 470.0382963121. The cubic root of 220936 is about 60.4535991917.

Adding to 220936 its reverse (639022), we get a palindrome (859958).

It can be divided in two parts, 2209 and 36, that multiplied together give a square (79524 = 282²).

The spelling of 220936 in words is "two hundred twenty thousand, nine hundred thirty-six".