220330020 has 48 divisors (see below), whose sum is σ = 636830208. Its totient is φ = 56858880.

The previous prime is 220330009. The next prime is 220330039. The reversal of 220330020 is 20033022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220329978 and 220330005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57369 + ... + 61088.

It is an arithmetic number, because the mean of its divisors is an integer number (13267296).

Almost surely, 2^220330020 is an apocalyptic number.

220330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220330020 is an abundant number, since it is smaller than the sum of its proper divisors (416500188).

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

220330020 is a wasteful number, since it uses less digits than its factorization.

220330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118500 (or 118498 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 220330020 is about 14843.5177771309. The cubic root of 220330020 is about 603.9827816971.

Adding to 220330020 its reverse (20033022), we get a palindrome (240363042).

It can be divided in two parts, 2203 and 30020, that added together give a palindrome (32223).

The spelling of 220330020 in words is "two hundred twenty million, three hundred thirty thousand, twenty".