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20112210020210 = 2571141637067153
BaseRepresentation
bin1001001001010101111010…
…01000100100011101110010
32122012201010111102010211012
410210222331020210131302
510114004301231121320
6110435231032150522
74144026212323640
oct444527510443562
978181114363735
1020112210020210
1164545a4261030
122309a6a538442
13b2b75b6100b9
144d7616b6a190
1524d270ec94c5
hex124abd224772

20112210020210 has 64 divisors (see below), whose sum is σ = 46235785768704. Its totient is φ = 6115844659200.

The previous prime is 20112210020173. The next prime is 20112210020219. The reversal of 20112210020210 is 1202001221102.

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

It is not an unprimeable number, because it can be changed into a prime (20112210020219) 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, 318502007 + ... + 318565146.

It is an arithmetic number, because the mean of its divisors is an integer number (722434152636).

Almost surely, 220112210020210 is an apocalyptic number.

20112210020210 is an abundant number, since it is smaller than the sum of its proper divisors (26123575748494).

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

20112210020210 is a wasteful number, since it uses less digits than its factorization.

20112210020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637067219.

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

Adding to 20112210020210 its reverse (1202001221102), we get a palindrome (21314211241312).

The spelling of 20112210020210 in words is "twenty trillion, one hundred twelve billion, two hundred ten million, twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 41 55 70 77 82 110 154 205 287 385 410 451 574 770 902 1435 2255 2870 3157 4510 6314 15785 31570 637067153 1274134306 3185335765 4459470071 6370671530 7007738683 8918940142 14015477366 22297350355 26119753273 35038693415 44594700710 49054170781 52239506546 70077386830 98108341562 130598766365 182838272911 245270853905 261197532730 287317286003 365676545822 490541707810 574634572006 914191364555 1436586430015 1828382729110 2011221002021 2873172860030 4022442004042 10056105010105 20112210020210