220330206 has 80 divisors (see below), whose sum is σ = 517469568. Its totient is φ = 69984000.

The previous prime is 220330199. The next prime is 220330207. The reversal of 220330206 is 602033022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220330207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 366306 + ... + 366906.

Almost surely, 2^220330206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220330206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258734784).

220330206 is an abundant number, since it is smaller than the sum of its proper divisors (297139362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220330206 is a wasteful number, since it uses less digits than its factorization.

220330206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220330206 is about 14843.5240424907. The cubic root of 220330206 is about 603.9829516554.

Adding to 220330206 its reverse (602033022), we get a palindrome (822363228).

The spelling of 220330206 in words is "two hundred twenty million, three hundred thirty thousand, two hundred six".