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220220200 = 23522943883
BaseRepresentation
bin11010010000001…
…00101100101000
3120100101100022201
431020010230220
5422334021300
633504025544
75312561254
oct1510045450
9510340281
10220220200
11103343772
12619022b4
1336816a15
1421367264
151450066a
hexd204b28

220220200 has 96 divisors (see below), whose sum is σ = 542599200. Its totient is φ = 82978560.

The previous prime is 220220197. The next prime is 220220201. The reversal of 220220200 is 2022022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (220220201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248959 + ... + 249841.

It is an arithmetic number, because the mean of its divisors is an integer number (5652075).

Almost surely, 2220220200 is an apocalyptic number.

220220200 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 220220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271299600).

220220200 is an abundant number, since it is smaller than the sum of its proper divisors (322379000).

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

220220200 is a wasteful number, since it uses less digits than its factorization.

220220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 220220200 is about 14839.8180581839. The cubic root of 220220200 is about 603.8824164776.

Adding to 220220200 its reverse (2022022), we get a palindrome (222242222).

The spelling of 220220200 in words is "two hundred twenty million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 29 40 43 50 58 86 100 116 145 172 200 215 232 290 344 430 580 725 860 883 1075 1160 1247 1450 1720 1766 2150 2494 2900 3532 4300 4415 4988 5800 6235 7064 8600 8830 9976 12470 17660 22075 24940 25607 31175 35320 37969 44150 49880 51214 62350 75938 88300 102428 124700 128035 151876 176600 189845 204856 249400 256070 303752 379690 512140 640175 759380 949225 1024280 1101101 1280350 1518760 1898450 2202202 2560700 3796900 4404404 5121400 5505505 7593800 8808808 11011010 22022020 27527525 44044040 55055050 110110100 220220200