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20032012022220 = 223251110117177789
BaseRepresentation
bin1001000111000000100001…
…11101011111000111001100
32121221001010100201201122100
410203200100331133013030
510111201030034202340
6110334325042515100
74135156634513502
oct443402075370714
977831110651570
1020032012022220
11642358a60a150
1222b6408365a90
13b2401a472313
144d37a99b0672
1524b12a449830
hex123810f5f1cc

20032012022220 has 72 divisors (see below), whose sum is σ = 66287748880080. Its totient is φ = 4856245338240.

The previous prime is 20032012022219. The next prime is 20032012022251. The reversal of 20032012022220 is 2222021023002.

20032012022220 is a `hidden beast` number, since 2 + 0 + 0 + 320 + 120 + 2 + 2 + 220 = 666.

It is a super-2 number, since 2×200320120222202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20032012022193 and 20032012022202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5058586915 + ... + 5058590874.

It is an arithmetic number, because the mean of its divisors is an integer number (920663178890).

Almost surely, 220032012022220 is an apocalyptic number.

20032012022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032012022220 is an abundant number, since it is smaller than the sum of its proper divisors (46255736857860).

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

20032012022220 is a wasteful number, since it uses less digits than its factorization.

20032012022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117177815 (or 10117177810 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20032012022220 its reverse (2222021023002), we get a palindrome (22254033045222).

The spelling of 20032012022220 in words is "twenty trillion, thirty-two billion, twelve million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 10117177789 20234355578 30351533367 40468711156 50585888945 60703066734 91054600101 101171777890 111288955679 121406133468 151757666835 182109200202 202343555780 222577911358 303515333670 333866867037 364218400404 445155822716 455273000505 556444778395 607030667340 667733734074 910546001010 1001600601111 1112889556790 1335467468148 1669334335185 1821092002020 2003201202222 2225779113580 3338668670370 4006402404444 5008003005555 6677337340740 10016006011110 20032012022220