220549330 has 16 divisors (see below), whose sum is σ = 420341400. Its totient is φ = 83030272.

The previous prime is 220549319. The next prime is 220549331. The reversal of 220549330 is 33945022.

It can be written as a sum of positive squares in 4 ways, for example, as 220017889 + 531441 = 14833^2 + 729^2 .

It is not an unprimeable number, because it can be changed into a prime (220549331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648505 + ... + 648844.

Almost surely, 2^220549330 is an apocalyptic number.

220549330 is a deficient number, since it is larger than the sum of its proper divisors (199792070).

220549330 is a wasteful number, since it uses less digits than its factorization.

220549330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297373.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 220549330 is about 14850.9033395279. The cubic root of 220549330 is about 604.1831107904.

The spelling of 220549330 in words is "two hundred twenty million, five hundred forty-nine thousand, three hundred thirty".