Search a number
-
+
220222102210220 = 2251123431100979477
BaseRepresentation
bin110010000100101001110100…
…001011001000011010101100
31001212202000201221120212021002
4302010221310023020122230
5212331104331131211340
62100212345340455432
764246343663101205
oct6204516413103254
91055660657525232
10220222102210220
116419573a579220
122084862854a578
1395b5b1694c586
143c54b4150c5ac
151a6d737967715
hexc84a742c86ac

220222102210220 has 96 divisors (see below), whose sum is σ = 527665434863616. Its totient is φ = 76421267436800.

The previous prime is 220222102210207. The next prime is 220222102210247. The reversal of 220222102210220 is 22012201222022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220222102210192 and 220222102210201.

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, 48308879 + ... + 52670598.

It is an arithmetic number, because the mean of its divisors is an integer number (5496514946496).

Almost surely, 2220222102210220 is an apocalyptic number.

220222102210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222102210220 is an abundant number, since it is smaller than the sum of its proper divisors (307443332653396).

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

220222102210220 is a wasteful number, since it uses less digits than its factorization.

220222102210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100979951 (or 100979949 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220222102210220 its reverse (22012201222022), we get a palindrome (242234303432242).

The spelling of 220222102210220 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred two million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 431 460 506 862 1012 1265 1724 2155 2530 4310 4741 5060 8620 9482 9913 18964 19826 23705 39652 47410 49565 94820 99130 109043 198260 218086 436172 545215 1090430 2180860 100979477 201958954 403917908 504897385 1009794770 1110774247 2019589540 2221548494 2322527971 4443096988 4645055942 5553871235 9290111884 11107742470 11612639855 22215484940 23225279710 25547807681 43522154587 46450559420 51095615362 87044309174 102191230724 127739038405 174088618348 217610772935 255478076810 435221545870 478743700457 510956153620 870443091740 957487400914 1001009555501 1914974801828 2002019111002 2393718502285 4004038222004 4787437004570 5005047777505 9574874009140 10010095555010 11011105110511 20020191110020 22022210221022 44044420442044 55055525552555 110111051105110 220222102210220