220321330 has 8 divisors (see below), whose sum is σ = 396578412. Its totient is φ = 88128528.

The previous prime is 220321327. The next prime is 220321333. The reversal of 220321330 is 33123022.

It is an interprime number because it is at equal distance from previous prime (220321327) and next prime (220321333).

It can be written as a sum of positive squares in 2 ways, for example, as 220255281 + 66049 = 14841^2 + 257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220321333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11016057 + ... + 11016076.

Almost surely, 2^220321330 is an apocalyptic number.

220321330 is a deficient number, since it is larger than the sum of its proper divisors (176257082).

220321330 is a wasteful number, since it uses less digits than its factorization.

220321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22032140.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 220321330 is about 14843.2250538756. The cubic root of 220321330 is about 603.9748410642.

Adding to 220321330 its reverse (33123022), we get a palindrome (253444352).

The spelling of 220321330 in words is "two hundred twenty million, three hundred twenty-one thousand, three hundred thirty".