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20102020201110 = 23515719944348413
BaseRepresentation
bin1001001001000010111011…
…10001011111101010010110
32122011201211100110200211210
410210201131301133222112
510113322414132413420
6110430423545042250
74143215541306351
oct444413561375226
978151740420753
1020102020201110
116450245388131
122307aa5a86386
13b2a7c64c1643
144d6d2b715298
1524cd766239e0
hex12485dc5fa96

20102020201110 has 128 divisors (see below), whose sum is σ = 48907280563200. Its totient is φ = 5287557090816.

The previous prime is 20102020201097. The next prime is 20102020201111. The reversal of 20102020201110 is 1110202020102.

It is a super-4 number, since 4×201020202011104 (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102020201111) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 415195264 + ... + 415243676.

It is an arithmetic number, because the mean of its divisors is an integer number (382088129400).

Almost surely, 220102020201110 is an apocalyptic number.

20102020201110 is an abundant number, since it is smaller than the sum of its proper divisors (28805260362090).

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

20102020201110 is a wasteful number, since it uses less digits than its factorization.

20102020201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49222.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102020201110 its reverse (1110202020102), we get a palindrome (21212222221212).

The spelling of 20102020201110 in words is "twenty trillion, one hundred two billion, twenty million, two hundred one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 157 199 314 398 443 471 597 785 886 942 995 1194 1329 1570 1990 2215 2355 2658 2985 4430 4710 5970 6645 13290 31243 48413 62486 69551 88157 93729 96826 139102 145239 156215 176314 187458 208653 242065 264471 290478 312430 347755 417306 440785 468645 484130 528942 695510 726195 881570 937290 1043265 1322355 1452390 2086530 2644710 7600841 9634187 13840649 15201682 19268374 21446959 22802523 27681298 28902561 38004205 41521947 42893918 45605046 48170935 57805122 64340877 69203245 76008410 83043894 96341870 107234795 114012615 128681754 138406490 144512805 207609735 214469590 228025230 289025610 321704385 415219470 643408770 1512567359 3025134718 3367172563 4267944841 4537702077 6734345126 7562836795 8535889682 9075404154 10101517689 12803834523 15125673590 16835862815 20203035378 21339724205 22688510385 25607669046 33671725630 42679448410 45377020770 50507588445 64019172615 101015176890 128038345230 670067340037 1340134680074 2010202020111 3350336700185 4020404040222 6700673400370 10051010100555 20102020201110