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20103303221200 = 2452208124151013
BaseRepresentation
bin1001001001000101010100…
…01111110100111111010000
32122011212010202200212112101
410210202222033310333100
510113333031111034300
6110431155140410144
74143262410636613
oct444425217647720
978155122625471
1020103303221200
116450843638111
1223081a36a6954
13b2a96c262a24
144d700dc9617a
1524cdee0acb6a
hex1248aa3f4fd0

20103303221200 has 60 divisors (see below), whose sum is σ = 48321397113228. Its totient is φ = 8037456793600.

The previous prime is 20103303221189. The next prime is 20103303221213. The reversal of 20103303221200 is 212230330102.

It can be written as a sum of positive squares in 6 ways, for example, as 3467796544 + 20099835424656 = 58888^2 + 4483284^2 .

It is a super-2 number, since 2×201033032212002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11243107 + ... + 12907906.

Almost surely, 220103303221200 is an apocalyptic number.

20103303221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103303221200 is an abundant number, since it is smaller than the sum of its proper divisors (28218093892028).

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

20103303221200 is a wasteful number, since it uses less digits than its factorization.

20103303221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24153112 (or 24153101 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20103303221200 its reverse (212230330102), we get a palindrome (20315533551302).

The spelling of 20103303221200 in words is "twenty trillion, one hundred three billion, three hundred three million, two hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2081 4162 8324 10405 16648 20810 33296 41620 52025 83240 104050 166480 208100 416200 832400 24151013 48302026 96604052 120755065 193208104 241510130 386416208 483020260 603775325 966040520 1207550650 1932081040 2415101300 4830202600 9660405200 50258258053 100516516106 201033032212 251291290265 402066064424 502582580530 804132128848 1005165161060 1256456451325 2010330322120 2512912902650 4020660644240 5025825805300 10051651610600 20103303221200