220030144 has 84 divisors (see below), whose sum is σ = 468019384. Its totient is φ = 102592512.

The previous prime is 220030117. The next prime is 220030159. The reversal of 220030144 is 441030022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2268304 + ... + 2268400.

Almost surely, 2^220030144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220030144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234009692).

220030144 is an abundant number, since it is smaller than the sum of its proper divisors (247989240).

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

220030144 is an equidigital number, since it uses as much as digits as its factorization.

220030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220030144 is about 14833.4130934185. The cubic root of 220030144 is about 603.7086441816.

Adding to 220030144 its reverse (441030022), we get a palindrome (661060166).

The spelling of 220030144 in words is "two hundred twenty million, thirty thousand, one hundred forty-four".