| Base | Representation |
|---|---|
| bin | 11010001111010… |
| … | …01110110001100 |
| 3 | 120100011202110101 |
| 4 | 31013221312030 |
| 5 | 422322011340 |
| 6 | 33501420444 |
| 7 | 5311622521 |
| oct | 1507516614 |
| 9 | 510152411 |
| 10 | 220110220 |
| 11 | 103279080 |
| 12 | 6186a724 |
| 13 | 367a8945 |
| 14 | 21339148 |
| 15 | 144ccc9a |
| hex | d1e9d8c |
220110220 has 96 divisors (see below), whose sum is σ = 538332480. Its totient is φ = 74711040.
The previous prime is 220110173. The next prime is 220110221. The reversal of 220110220 is 22011022.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 220110197 and 220110206.
It is not an unprimeable number, because it can be changed into a prime (220110221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 856332 + ... + 856588.
It is an arithmetic number, because the mean of its divisors is an integer number (5607630).
Almost surely, 2220110220 is an apocalyptic number.
220110220 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 220110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269166240).
220110220 is an abundant number, since it is smaller than the sum of its proper divisors (318222260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220110220 is a wasteful number, since it uses less digits than its factorization.
220110220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523 (or 521 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 220110220 is about 14836.1120243816. The cubic root of 220110220 is about 603.7818715877.
220110220 divided by its sum of digits (10) gives a palindrome (22011022).
Adding to 220110220 its reverse (22011022), we get a palindrome (242121242).
It can be divided in two parts, 2201 and 10220, that added together give a palindrome (12421).
The spelling of 220110220 in words is "two hundred twenty million, one hundred ten thousand, two hundred twenty".
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