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20200201112 = 2371341976977
BaseRepresentation
bin10010110100000001…
…101001101110011000
31221010210020112112202
4102310001221232120
5312332222413422
613140240225332
71313402606420
oct226401515630
957123215482
1020200201112
11862653a093
123ab900b248
131b9c002630
14d98b1b480
157d3614b92
hex4b4069b98

20200201112 has 128 divisors (see below), whose sum is σ = 48252032640. Its totient is φ = 7714897920.

The previous prime is 20200201037. The next prime is 20200201127. The reversal of 20200201112 is 21110200202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20200201093 and 20200201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2891768 + ... + 2898744.

It is an arithmetic number, because the mean of its divisors is an integer number (376969005).

Almost surely, 220200201112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24126016320).

20200201112 is an abundant number, since it is smaller than the sum of its proper divisors (28051831528).

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

20200201112 is a wasteful number, since it uses less digits than its factorization.

20200201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 7137 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20200201112 its reverse (21110200202), we get a palindrome (41310401314).

The spelling of 20200201112 in words is "twenty billion, two hundred million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 13 14 26 28 41 52 56 82 91 97 104 164 182 194 287 328 364 388 533 574 679 728 776 1066 1148 1261 1358 2132 2296 2522 2716 3731 3977 4264 5044 5432 6977 7462 7954 8827 10088 13954 14924 15908 17654 27839 27908 29848 31816 35308 48839 51701 55678 55816 70616 90701 97678 103402 111356 181402 195356 206804 222712 286057 361907 362804 390712 413608 572114 634907 676769 723814 725608 1144228 1269814 1353538 1447628 2002399 2288456 2539628 2707076 2895256 3718741 4004798 4737383 5079256 5414152 7437482 8009596 8797997 9474766 14874964 16019192 17595994 18949532 26031187 27747529 29749928 35191988 37899064 52062374 55495058 61585979 70383976 104124748 110990116 123171958 194232703 208249496 221980232 246343916 360717877 388465406 492687832 721435754 776930812 1442871508 1553861624 2525025139 2885743016 5050050278 10100100556 20200201112