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20010333212220 = 22351325654273349
BaseRepresentation
bin1001000110011000001001…
…10011011000111000111100
32121211222011112020002000110
410203030010303120320330
510110322130300242340
6110320341542430020
74133461465621011
oct443140463307074
977758145202013
1020010333212220
11641537548034a
1222b2178132310
13b21c7402a0b0
144d271075b708
1524a7ac113680
hex123304cd8e3c

20010333212220 has 48 divisors (see below), whose sum is σ = 60338850919200. Its totient is φ = 4925620482816.

The previous prime is 20010333212171. The next prime is 20010333212257. The reversal of 20010333212220 is 2221233301002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12827135895 + ... + 12827137454.

It is an arithmetic number, because the mean of its divisors is an integer number (1257059394150).

Almost surely, 220010333212220 is an apocalyptic number.

20010333212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010333212220 is an abundant number, since it is smaller than the sum of its proper divisors (40328517706980).

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

20010333212220 is a wasteful number, since it uses less digits than its factorization.

20010333212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25654273374 (or 25654273372 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20010333212220 its reverse (2221233301002), we get a palindrome (22231566513222).

The spelling of 20010333212220 in words is "twenty trillion, ten billion, three hundred thirty-three million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 25654273349 51308546698 76962820047 102617093396 128271366745 153925640094 256542733490 307851280188 333505553537 384814100235 513085466980 667011107074 769628200470 1000516660611 1334022214148 1539256400940 1667527767685 2001033321222 3335055535370 4002066642444 5002583303055 6670111070740 10005166606110 20010333212220