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11200203220 = 2251989331171
BaseRepresentation
bin10100110111001010…
…11000100111010100
31001220120011021102111
422123211120213110
5140414223000340
65051215120404
7544360104463
oct123345304724
931816137374
1011200203220
11482824a4a8
122206b13104
1310965532ab
147837069da
15458438aea
hex29b9589d4

11200203220 has 48 divisors (see below), whose sum is σ = 25036603200. Its totient is φ = 4196586240.

The previous prime is 11200203191. The next prime is 11200203221. The reversal of 11200203220 is 2230200211.

11200203220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11200203220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200203221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131766 + ... + 199405.

It is an arithmetic number, because the mean of its divisors is an integer number (521595900).

Almost surely, 211200203220 is an apocalyptic number.

11200203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200203220 is an abundant number, since it is smaller than the sum of its proper divisors (13836399980).

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

11200203220 is a wasteful number, since it uses less digits than its factorization.

11200203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331288 (or 331286 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11200203220 its reverse (2230200211), we get a palindrome (13430403431).

The spelling of 11200203220 in words is "eleven billion, two hundred million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 89 95 178 190 356 380 445 890 1691 1780 3382 6764 8455 16910 33820 331171 662342 1324684 1655855 3311710 6292249 6623420 12584498 25168996 29474219 31461245 58948438 62922490 117896876 125844980 147371095 294742190 560010161 589484380 1120020322 2240040644 2800050805 5600101610 11200203220