| Base | Representation |
|---|---|
| bin | 1000001100100100… |
| … | …1011001000111100 |
| 3 | 12200100002202201210 |
| 4 | 2003021023020330 |
| 5 | 14001224021340 |
| 6 | 1002154204420 |
| 7 | 105344364132 |
| oct | 20311131074 |
| 9 | 5610082653 |
| 10 | 2200220220 |
| 11 | a29a70020 |
| 12 | 514a23710 |
| 13 | 290aaa973 |
| 14 | 16c2d7752 |
| 15 | cd262180 |
| hex | 8324b23c |
2200220220 has 96 divisors (see below), whose sum is σ = 6737068800. Its totient is φ = 532085760.
The previous prime is 2200220213. The next prime is 2200220233. The reversal of 2200220220 is 220220022.
It is a Harshad number since it is a multiple of its sum of digits (12).
2200220220 is a modest number, since divided by 220220 gives 2200 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 2200220196 and 2200220205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281931 + ... + 289629.
It is an arithmetic number, because the mean of its divisors is an integer number (70177800).
Almost surely, 22200220220 is an apocalyptic number.
2200220220 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 2200220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3368534400).
2200220220 is an abundant number, since it is smaller than the sum of its proper divisors (4536848580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2200220220 is a wasteful number, since it uses less digits than its factorization.
2200220220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8155 (or 8153 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 2200220220 is about 46906.5050925775. The cubic root of 2200220220 is about 1300.6348418048.
Adding to 2200220220 its reverse (220220022), we get a palindrome (2420440242).
The spelling of 2200220220 in words is "two billion, two hundred million, two hundred twenty thousand, two hundred twenty".
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