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20466063144620 = 22541592291847281
BaseRepresentation
bin1001010011101001000000…
…11011000111011010101100
32200110112111010111100012122
410221310200123013122230
510140303444131111440
6111305551332452112
74211424060261032
oct451644033073254
980415433440178
1020466063144620
116580677106815
12236656317a038
13b55c315563a2
1450a7c423c552
1525758143e7b5
hex129d206c76ac

20466063144620 has 96 divisors (see below), whose sum is σ = 44968755182400. Its totient is φ = 7817097830400.

The previous prime is 20466063144589. The next prime is 20466063144629. The reversal of 20466063144620 is 2644136066402.

It is not an unprimeable number, because it can be changed into a prime (20466063144629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10155380 + ... + 12002660.

It is an arithmetic number, because the mean of its divisors is an integer number (468424533150).

Almost surely, 220466063144620 is an apocalyptic number.

20466063144620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20466063144620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22484377591200).

20466063144620 is an abundant number, since it is smaller than the sum of its proper divisors (24502692037780).

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

20466063144620 is a wasteful number, since it uses less digits than its factorization.

20466063144620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847619 (or 1847617 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 20466063144620 in words is "twenty trillion, four hundred sixty-six billion, sixty-three million, one hundred forty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 59 82 118 164 205 229 236 295 410 458 590 820 916 1145 1180 2290 2419 4580 4838 9389 9676 12095 13511 18778 24190 27022 37556 46945 48380 54044 67555 93890 135110 187780 270220 553951 1107902 1847281 2215804 2769755 3694562 5539510 7389124 9236405 11079020 18472810 36945620 75738521 108989579 151477042 217979158 302954084 378692605 423027349 435958316 544947895 757385210 846054698 1089895790 1514770420 1692109396 2115136745 2179791580 4230273490 4468572739 8460546980 8937145478 17344121309 17874290956 22342863695 24958613591 34688242618 44685727390 49917227182 69376485236 86720606545 89371454780 99834454364 124793067955 173441213090 249586135910 346882426180 499172271820 1023303157231 2046606314462 4093212628924 5116515786155 10233031572310 20466063144620