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20111010120200 = 2352587809211747
BaseRepresentation
bin1001001001010011101011…
…00111010100001000001000
32122012121000212120220110002
410210221311213110020020
510113444322042321300
6110434512010142132
74143654402333116
oct444516547241010
978177025526402
1020111010120200
116454038a1342a
122309794721948
13b2b5c9b522ac
144d7541664ab6
1524d2009ad5d5
hex124a759d4208

20111010120200 has 96 divisors (see below), whose sum is σ = 46895871909600. Its totient is φ = 8020735203840.

The previous prime is 20111010120199. The next prime is 20111010120209. The reversal of 20111010120200 is 202101011102.

20111010120200 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20111010120209) 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, 94870727 + ... + 95082473.

It is an arithmetic number, because the mean of its divisors is an integer number (488498665725).

Almost surely, 220111010120200 is an apocalyptic number.

20111010120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111010120200 is an abundant number, since it is smaller than the sum of its proper divisors (26784861789400).

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

20111010120200 is a wasteful number, since it uses less digits than its factorization.

20111010120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213159 (or 213150 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20111010120200 its reverse (202101011102), we get a palindrome (20313111131302).

The spelling of 20111010120200 in words is "twenty trillion, one hundred eleven billion, ten million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 587 809 1174 1618 2348 2935 3236 4045 4696 5870 6472 8090 11740 14675 16180 20225 23480 29350 32360 40450 58700 80900 117400 161800 211747 423494 474883 846988 949766 1058735 1693976 1899532 2117470 2374415 3799064 4234940 4748830 5293675 8469880 9497660 10587350 11872075 18995320 21174700 23744150 42349400 47488300 94976600 124295489 171303323 248590978 342606646 497181956 621477445 685213292 856516615 994363912 1242954890 1370426584 1713033230 2485909780 3107387225 3426066460 4282583075 4971819560 6214774450 6852132920 8565166150 12429548900 17130332300 24859097800 34260664600 100555050601 201110101202 402220202404 502775253005 804440404808 1005550506010 2011101012020 2513876265025 4022202024040 5027752530050 10055505060100 20111010120200