220370 has 8 divisors (see below), whose sum is σ = 396684. Its totient is φ = 88144.

The previous prime is 220369. The next prime is 220373. The reversal of 220370 is 73022.

It can be written as a sum of positive squares in 2 ways, for example, as 201601 + 18769 = 449^2 + 137^2 .

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

220370 is a modest number, since divided by 370 gives 220 as remainder.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220370.

It is not an unprimeable number, because it can be changed into a prime (220373) 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, 11009 + ... + 11028.

2²²⁰³⁷⁰ is an apocalyptic number.

220370 is a deficient number, since it is larger than the sum of its proper divisors (176314).

220370 is a wasteful number, since it uses less digits than its factorization.

220370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22044.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 220370 is about 469.4358316107. The cubic root of 220370 is about 60.4019311401.

Adding to 220370 its reverse (73022), we get a palindrome (293392).

The spelling of 220370 in words is "two hundred twenty thousand, three hundred seventy", and thus it is an iban number.