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201110200120 = 23519747953281
BaseRepresentation
bin1011101101001100011…
…0100001111100111000
3201020002201022200202101
42323103012201330320
511243333202400440
6232215545313144
720346461332024
oct2732306417470
9636081280671
10201110200120
1178321512a65
1232b874957b4
1315c7033181b
149a3b717384
155370b7269a
hex2ed31a1f38

201110200120 has 64 divisors (see below), whose sum is σ = 455752915200. Its totient is φ = 79867146240.

The previous prime is 201110200117. The next prime is 201110200169. The reversal of 201110200120 is 21002011102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201110200097 and 201110200106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3747880 + ... + 3801160.

It is an arithmetic number, because the mean of its divisors is an integer number (7121139300).

Almost surely, 2201110200120 is an apocalyptic number.

201110200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110200120 is an abundant number, since it is smaller than the sum of its proper divisors (254642715080).

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

201110200120 is a wasteful number, since it uses less digits than its factorization.

201110200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53968 (or 53964 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201110200120 its reverse (21002011102), we get a palindrome (222112211222).

The spelling of 201110200120 in words is "two hundred one billion, one hundred ten million, two hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 197 394 479 788 958 985 1576 1916 1970 2395 3832 3940 4790 7880 9580 19160 53281 94363 106562 188726 213124 266405 377452 426248 471815 532810 754904 943630 1065620 1887260 2131240 3774520 10496357 20992714 25521599 41985428 51043198 52481785 83970856 102086396 104963570 127607995 204172792 209927140 255215990 419854280 510431980 1020863960 5027755003 10055510006 20111020012 25138775015 40222040024 50277550030 100555100060 201110200120