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20110220102210 = 2571813594421257
BaseRepresentation
bin1001001001010010001101…
…00001101000101001000010
32122012111222211000211111112
410210221012201220221002
510113441212321232320
6110434301345243322
74143626000312510
oct444510641505102
978174884024445
1020110220102210
116453772a801a7
1223095b4033542
13b2b502285a24
144d74a87774b0
1524d1a6458ec5
hex124a46868a42

20110220102210 has 64 divisors (see below), whose sum is σ = 41714038679040. Its totient is φ = 6837737679360.

The previous prime is 20110220102149. The next prime is 20110220102293. The reversal of 20110220102210 is 1220102201102.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 2337902 + ... + 6759158.

It is an arithmetic number, because the mean of its divisors is an integer number (651781854360).

Almost surely, 220110220102210 is an apocalyptic number.

20110220102210 is an abundant number, since it is smaller than the sum of its proper divisors (21603818576830).

20110220102210 is a wasteful number, since it uses less digits than its factorization.

20110220102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421811.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20110220102210 its reverse (1220102201102), we get a palindrome (21330322303312).

The spelling of 20110220102210 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 181 359 362 718 905 1267 1795 1810 2513 2534 3590 5026 6335 12565 12670 25130 64979 129958 324895 454853 649790 909706 2274265 4421257 4548530 8842514 22106285 30948799 44212570 61897598 154743995 309487990 800247517 1587231263 1600495034 3174462526 4001237585 5601732619 7936156315 8002475170 11110618841 11203465238 15872312630 22221237682 28008663095 55553094205 56017326190 111106188410 287288858603 574577717206 1436444293015 2011022010221 2872888586030 4022044020442 10055110051105 20110220102210