220270 has 8 divisors (see below), whose sum is σ = 396504. Its totient is φ = 88104.

The previous prime is 220243. The next prime is 220279. The reversal of 220270 is 72022.

220270 is nontrivially palindromic in base 12.

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

It is an Ulam number.

220270 is a modest number, since divided by 270 gives 220 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 220270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220279) by changing a digit.

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, 11004 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (49563).

2²²⁰²⁷⁰ is an apocalyptic number.

220270 is a deficient number, since it is larger than the sum of its proper divisors (176234).

220270 is a wasteful number, since it uses less digits than its factorization.

220270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 220270 is about 469.3293086949. The cubic root of 220270 is about 60.3927933159.

Adding to 220270 its reverse (72022), we get a palindrome (292292).

The spelling of 220270 in words is "two hundred twenty thousand, two hundred seventy", and thus it is an iban number.