220030860 has 96 divisors (see below), whose sum is σ = 723179520. Its totient is φ = 48930048.

The previous prime is 220030787. The next prime is 220030907. The reversal of 220030860 is 68030022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8461 + ... + 22619.

It is an arithmetic number, because the mean of its divisors is an integer number (7533120).

Almost surely, 2^220030860 is an apocalyptic number.

220030860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220030860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361589760).

220030860 is an abundant number, since it is smaller than the sum of its proper divisors (503148660).

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

220030860 is a wasteful number, since it uses less digits than its factorization.

220030860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215 (or 14213 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 220030860 is about 14833.4372281006. The cubic root of 220030860 is about 603.7092990236.

Adding to 220030860 its reverse (68030022), we get a palindrome (288060882).

The spelling of 220030860 in words is "two hundred twenty million, thirty thousand, eight hundred sixty".