220753 has 4 divisors (see below), whose sum is σ = 237748. Its totient is φ = 203760.

The previous prime is 220747. The next prime is 220757. The reversal of 220753 is 357022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138384 + 82369 = 372^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 220753 - 2⁵ = 220721 is a prime.

It is a super-3 number, since 3×220753³ = 32273130758693331, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220753.

It is not an unprimeable number, because it can be changed into a prime (220757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8478 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (59437).

2²²⁰⁷⁵³ is an apocalyptic number.

It is an amenable number.

220753 is a deficient number, since it is larger than the sum of its proper divisors (16995).

220753 is a wasteful number, since it uses less digits than its factorization.

220753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 220753 is about 469.8435909960. The cubic root of 220753 is about 60.4369034600.

Adding to 220753 its reverse (357022), we get a palindrome (577775).

The spelling of 220753 in words is "two hundred twenty thousand, seven hundred fifty-three".