Search a number
-
+
2220220200 = 2335211336397
BaseRepresentation
bin1000010001010101…
…1101111100101000
312201201201212112210
42010111131330220
514021334021300
61004151005120
7106006363122
oct20425357450
95651655483
102220220200
11a3a290330
1251b6697a0
13294c91083
14170c22212
15cedb3050
hex8455df28

2220220200 has 96 divisors (see below), whose sum is σ = 7508403360. Its totient is φ = 538233600.

The previous prime is 2220220181. The next prime is 2220220201. The reversal of 2220220200 is 20220222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (2220220201) 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, 161599 + ... + 174798.

It is an arithmetic number, because the mean of its divisors is an integer number (78212535).

Almost surely, 22220220200 is an apocalyptic number.

2220220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220220200 is an abundant number, since it is smaller than the sum of its proper divisors (5288183160).

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

2220220200 is a wasteful number, since it uses less digits than its factorization.

2220220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336427 (or 336418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2220220200 is about 47119.2126419786. The cubic root of 2220220200 is about 1304.5638800463.

Adding to 2220220200 its reverse (20220222), we get a palindrome (2240440422).

The spelling of 2220220200 in words is "two billion, two hundred twenty million, two hundred twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 25 30 33 40 44 50 55 60 66 75 88 100 110 120 132 150 165 200 220 264 275 300 330 440 550 600 660 825 1100 1320 1650 2200 3300 6600 336397 672794 1009191 1345588 1681985 2018382 2691176 3363970 3700367 4036764 5045955 6727940 7400734 8073528 8409925 10091910 11101101 13455880 14801468 16819850 18501835 20183820 22202202 25229775 29602936 33639700 37003670 40367640 44404404 50459550 55505505 67279400 74007340 88808808 92509175 100919100 111011010 148014680 185018350 201838200 222022020 277527525 370036700 444044040 555055050 740073400 1110110100 2220220200