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220200122220 = 2235131523185363
BaseRepresentation
bin1100110100010011110…
…0110011011101101100
3210001101010101012211020
43031010330303131230
512101432212402340
6245054124454140
721623523104421
oct3150474633554
9701333335736
10220200122220
1185428256a91
12368146aa350
13179c32c4910
14a92cbbbd48
155adba709d0
hex3344f3376c

220200122220 has 96 divisors (see below), whose sum is σ = 664427619072. Its totient is φ = 54167225088.

The previous prime is 220200122203. The next prime is 220200122237. The reversal of 220200122220 is 22221002022.

It is an interprime number because it is at equal distance from previous prime (220200122203) and next prime (220200122237).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220200122220.

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, 1095259 + ... + 1280621.

It is an arithmetic number, because the mean of its divisors is an integer number (6921121032).

Almost surely, 2220200122220 is an apocalyptic number.

220200122220 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 220200122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332213809536).

220200122220 is an abundant number, since it is smaller than the sum of its proper divisors (444227496852).

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

220200122220 is a wasteful number, since it uses less digits than its factorization.

220200122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186911 (or 186909 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220200122220 its reverse (22221002022), we get a palindrome (242421124242).

The spelling of 220200122220 in words is "two hundred twenty billion, two hundred million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 1523 3046 4569 6092 7615 9138 15230 18276 19799 22845 30460 39598 45690 59397 79196 91380 98995 118794 185363 197990 237588 296985 370726 395980 556089 593970 741452 926815 1112178 1187940 1853630 2224356 2409719 2780445 3707260 4819438 5560890 7229157 9638876 11121780 12048595 14458314 24097190 28916628 36145785 48194380 72291570 144583140 282307849 564615698 846923547 1129231396 1411539245 1693847094 2823078490 3387694188 3670002037 4234617735 5646156980 7340004074 8469235470 11010006111 14680008148 16938470940 18350010185 22020012222 36700020370 44040024444 55050030555 73400040740 110100061110 220200122220