220234120 has 64 divisors (see below), whose sum is σ = 514998000. Its totient is φ = 84661248.

The previous prime is 220234097. The next prime is 220234123. The reversal of 220234120 is 21432022.

It can be written as a sum of positive squares in 8 ways, for example, as 138909796 + 81324324 = 11786^2 + 9018^2 .

It is a super-2 number, since 2×220234120² = 97006135224348800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220234094 and 220234103.

It is not an unprimeable number, because it can be changed into a prime (220234123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432426 + ... + 432934.

Almost surely, 2^220234120 is an apocalyptic number.

220234120 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 220234120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257499000).

220234120 is an abundant number, since it is smaller than the sum of its proper divisors (294763880).

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

220234120 is a wasteful number, since it uses less digits than its factorization.

220234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 918 counting only the distinct ones).

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

The square root of 220234120 is about 14840.2870592182. The cubic root of 220234120 is about 603.8951399035.

Adding to 220234120 its reverse (21432022), we get a palindrome (241666142).

The spelling of 220234120 in words is "two hundred twenty million, two hundred thirty-four thousand, one hundred twenty".