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20301121130200 = 23521031636045959
BaseRepresentation
bin1001001110110101110010…
…00111010000111011011000
32122212202202000222211220121
410213122321013100323120
510130103144002131300
6111102112321003024
74163464464264361
oct447327107207330
978782660884817
1020301121130200
1165177256a1019
12233a5b0483474
13b43506480ca1
1450281823cb68
1525312aba181a
hex1276b91d0ed8

20301121130200 has 96 divisors (see below), whose sum is σ = 47950750598400. Its totient is φ = 7992272799360.

The previous prime is 20301121130179. The next prime is 20301121130231. The reversal of 20301121130200 is 203112110302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334821 + ... + 6380779.

It is an arithmetic number, because the mean of its divisors is an integer number (499486985400).

Almost surely, 220301121130200 is an apocalyptic number.

20301121130200 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 20301121130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23975375299200).

20301121130200 is an abundant number, since it is smaller than the sum of its proper divisors (27649629468200).

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

20301121130200 is a wasteful number, since it uses less digits than its factorization.

20301121130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046241 (or 6046232 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20301121130200 its reverse (203112110302), we get a palindrome (20504233240502).

The spelling of 20301121130200 in words is "twenty trillion, three hundred one billion, one hundred twenty-one million, one hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 163 200 206 326 412 515 652 815 824 1030 1304 1630 2060 2575 3260 4075 4120 5150 6520 8150 10300 16300 16789 20600 32600 33578 67156 83945 134312 167890 335780 419725 671560 839450 1678900 3357800 6045959 12091918 24183836 30229795 48367672 60459590 120919180 151148975 241838360 302297950 604595900 622733777 985491317 1209191800 1245467554 1970982634 2490935108 3113668885 3941965268 4927456585 4981870216 6227337770 7883930536 9854913170 12454675540 15568344425 19709826340 24637282925 24909351080 31136688850 39419652680 49274565850 62273377700 98549131700 101505605651 124546755400 197098263400 203011211302 406022422604 507528028255 812044845208 1015056056510 2030112113020 2537640141275 4060224226040 5075280282550 10150560565100 20301121130200