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20323102210 = 2547613072309
BaseRepresentation
bin10010111011010110…
…011110111000000010
31221110100111120011021
4102323112132320002
5313110203232320
613200350340054
71316424342565
oct227326367002
957410446137
1020323102210
118689952544
123b321ba62a
131bbb603b88
14dab1904dc
157de2dedaa
hex4bb59ee02

20323102210 has 64 divisors (see below), whose sum is σ = 38112560640. Its totient is φ = 7796977920.

The previous prime is 20323102157. The next prime is 20323102213. The reversal of 20323102210 is 1220132302.

It is not an unprimeable number, because it can be changed into a prime (20323102213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8800536 + ... + 8802844.

It is an arithmetic number, because the mean of its divisors is an integer number (595508760).

Almost surely, 220323102210 is an apocalyptic number.

20323102210 is a deficient number, since it is larger than the sum of its proper divisors (17789458430).

20323102210 is a wasteful number, since it uses less digits than its factorization.

20323102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20323102210 its reverse (1220132302), we get a palindrome (21543234512).

The spelling of 20323102210 in words is "twenty billion, three hundred twenty-three million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 47 61 94 122 235 305 307 470 610 614 1535 2309 2867 3070 4618 5734 11545 14335 14429 18727 23090 28670 28858 37454 72145 93635 108523 140849 144290 187270 217046 281698 542615 704245 708863 880169 1085230 1408490 1417726 1760338 3544315 4400845 6619903 7088630 8801690 13239806 33099515 33316561 43240643 66199030 66633122 86481286 166582805 216203215 333165610 432406430 2032310221 4064620442 10161551105 20323102210