220066330 has 24 divisors (see below), whose sum is σ = 435406356. Its totient is φ = 80023680.

The previous prime is 220066291. The next prime is 220066337. The reversal of 220066330 is 33660022.

It can be written as a sum of positive squares in 2 ways, for example, as 217592001 + 2474329 = 14751^2 + 1573^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (220066337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89727 + ... + 92146.

Almost surely, 2^220066330 is an apocalyptic number.

220066330 is a deficient number, since it is larger than the sum of its proper divisors (215340026).

220066330 is a wasteful number, since it uses less digits than its factorization.

220066330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181902 (or 181891 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 220066330 is about 14834.6327895233. The cubic root of 220066330 is about 603.7417375314.

The spelling of 220066330 in words is "two hundred twenty million, sixty-six thousand, three hundred thirty".