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20213200322220 = 223517163121575847
BaseRepresentation
bin1001001100010010000001…
…00111111111111010101100
32122120100210200111001001010
410212021000213333322230
510122133113240302340
6110553452132545220
74154232642612213
oct446110047777254
978510720431033
1020213200322220
116493408696744
122325553a82210
13b38134342759
144dc47753207a
15250bd212bb80
hex1262409ffeac

20213200322220 has 96 divisors (see below), whose sum is σ = 60293839753728. Its totient is φ = 5041993485312.

The previous prime is 20213200322209. The next prime is 20213200322239. The reversal of 20213200322220 is 2222300231202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60621664 + ... + 60954183.

It is an arithmetic number, because the mean of its divisors is an integer number (628060830768).

Almost surely, 220213200322220 is an apocalyptic number.

20213200322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213200322220 is an abundant number, since it is smaller than the sum of its proper divisors (40080639431508).

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

20213200322220 is a wasteful number, since it uses less digits than its factorization.

20213200322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121576039 (or 121576037 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20213200322220 its reverse (2222300231202), we get a palindrome (22435500553422).

The spelling of 20213200322220 in words is "twenty trillion, two hundred thirteen billion, two hundred million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 163 170 204 255 326 340 489 510 652 815 978 1020 1630 1956 2445 2771 3260 4890 5542 8313 9780 11084 13855 16626 27710 33252 41565 55420 83130 166260 121575847 243151694 364727541 486303388 607879235 729455082 1215758470 1458910164 1823637705 2066789399 2431516940 3647275410 4133578798 6200368197 7294550820 8267157596 10333946995 12400736394 19816863061 20667893990 24801472788 31001840985 39633726122 41335787980 59450589183 62003681970 79267452244 99084315305 118901178366 124007363940 198168630610 237802356732 297252945915 336886672037 396337261220 594505891830 673773344074 1010660016111 1189011783660 1347546688148 1684433360185 2021320032222 3368866720370 4042640064444 5053300080555 6737733440740 10106600161110 20213200322220