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20222110212220 = 2257323128166499
BaseRepresentation
bin1001001100100010100111…
…01100100010000001111100
32122121012210122000100101001
410212101103230202001330
510122304340203242340
6111001524214500044
74154666512462000
oct446212354420174
978535718010331
1020222110212220
1164971700309a4
12232721b964624
13b38c24232a07
144dca809ac700
1525105445929a
hex126453b2207c

20222110212220 has 96 divisors (see below), whose sum is σ = 51676732800000. Its totient is φ = 6631847272512.

The previous prime is 20222110212181. The next prime is 20222110212307. The reversal of 20222110212220 is 2221201122202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63925470 + ... + 64241029.

It is an arithmetic number, because the mean of its divisors is an integer number (538299300000).

Almost surely, 220222110212220 is an apocalyptic number.

20222110212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222110212220 is an abundant number, since it is smaller than the sum of its proper divisors (31454622587780).

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

20222110212220 is a wasteful number, since it uses less digits than its factorization.

20222110212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128166552 (or 128166536 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20222110212220 its reverse (2221201122202), we get a palindrome (22443311334422).

The spelling of 20222110212220 in words is "twenty trillion, two hundred twenty-two billion, one hundred ten million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 49 70 92 98 115 140 161 196 230 245 322 343 460 490 644 686 805 980 1127 1372 1610 1715 2254 3220 3430 4508 5635 6860 7889 11270 15778 22540 31556 39445 78890 157780 128166499 256332998 512665996 640832495 897165493 1281664990 1794330986 2563329980 2947829477 3588661972 4485827465 5895658954 6280158451 8971654930 11791317908 12560316902 14739147385 17943309860 20634806339 25120633804 29478294770 31400792255 41269612678 43961109157 58956589540 62801584510 82539225356 87922218314 103174031695 125603169020 144443644373 175844436628 206348063390 219805545785 288887288746 412696126780 439611091570 577774577492 722218221865 879222183140 1011105510611 1444436443730 2022211021222 2888872887460 4044422042444 5055527553055 10111055106110 20222110212220