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20201022300 = 22352196158099
BaseRepresentation
bin10010110100000100…
…110010001101011100
31221010211210021000010
4102310010302031130
5312332430203200
613140310003220
71313412566514
oct226404621534
957124707003
1020201022300
118626a50058
123ab9346510
131b9c22c344
14d98c92844
157d3728150
hex4b413235c

20201022300 has 144 divisors (see below), whose sum is σ = 62534192000. Its totient is φ = 5019667200.

The previous prime is 20201022299. The next prime is 20201022323. The reversal of 20201022300 is 322010202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318651 + ... + 376749.

Almost surely, 220201022300 is an apocalyptic number.

20201022300 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 20201022300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31267096000).

20201022300 is an abundant number, since it is smaller than the sum of its proper divisors (42333169700).

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

20201022300 is a wasteful number, since it uses less digits than its factorization.

20201022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58196 (or 58189 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20201022300 its reverse (322010202), we get a palindrome (20523032502).

The spelling of 20201022300 in words is "twenty billion, two hundred one million, twenty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 61 75 76 95 100 114 122 150 183 190 228 244 285 300 305 366 380 475 570 610 732 915 950 1140 1159 1220 1425 1525 1830 1900 2318 2850 3050 3477 3660 4575 4636 5700 5795 6100 6954 9150 11590 13908 17385 18300 23180 28975 34770 57950 58099 69540 86925 115900 116198 173850 174297 232396 290495 347700 348594 580990 697188 871485 1103881 1161980 1452475 1742970 2207762 2904950 3311643 3485940 3544039 4357425 4415524 5519405 5809900 6623286 7088078 8714850 10632117 11038810 13246572 14176156 16558215 17429700 17720195 21264234 22077620 27597025 33116430 35440390 42528468 53160585 55194050 66232860 67336741 70880780 82791075 88600975 106321170 110388100 134673482 165582150 177201950 202010223 212642340 265802925 269346964 331164300 336683705 354403900 404020446 531605850 673367410 808040892 1010051115 1063211700 1346734820 1683418525 2020102230 3366837050 4040204460 5050255575 6733674100 10100511150 20201022300