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20222122212210 = 2357312497392991
BaseRepresentation
bin1001001100100010101000…
…11010010011101101110010
32122121012211110121000021010
410212101110122103231302
510122304401241242320
6111001525324011350
74155000016461252
oct446212432235562
978535743530233
1020222122212210
116497176887746
122327223990b56
13b38c268749b9
144dca82413962
15251055529ae0
hex126454693b72

20222122212210 has 64 divisors (see below), whose sum is σ = 49237326720000. Its totient is φ = 5314436075520.

The previous prime is 20222122212209. The next prime is 20222122212239. The reversal of 20222122212210 is 1221222122202.

It is a Curzon number.

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, 961186 + ... + 6431805.

It is an arithmetic number, because the mean of its divisors is an integer number (769333230000).

Almost surely, 220222122212210 is an apocalyptic number.

20222122212210 is an abundant number, since it is smaller than the sum of its proper divisors (29015204507790).

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

20222122212210 is a wasteful number, since it uses less digits than its factorization.

20222122212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394323.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20222122212210 its reverse (1221222122202), we get a palindrome (21443344334412).

The spelling of 20222122212210 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 1249 2190 2498 3747 6245 7494 12490 18735 37470 91177 182354 273531 455885 547062 911770 1367655 2735310 7392991 14785982 22178973 36964955 44357946 73929910 110894865 221789730 539688343 1079376686 1619065029 2698441715 3238130058 5396883430 8095325145 9233845759 16190650290 18467691518 27701537277 46169228795 55403074554 92338457590 138507686385 277015372770 674070740407 1348141480814 2022212221221 3370353702035 4044424442442 6740707404070 10111061106105 20222122212210