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20030132210220 = 223251110116228389
BaseRepresentation
bin1001000110111101000001…
…11010100100101000101100
32121220212021100112101100200
410203132200322210220230
510111133202321211340
6110333414331553500
74135062230415156
oct443364072445054
977825240471320
1020030132210220
1164228054a2610
1222b5b828bb890
13b23aaab89622
144d366c07dad6
1524b06a3c8330
hex1237a0ea4a2c

20030132210220 has 72 divisors (see below), whose sum is σ = 66281528411280. Its totient is φ = 4855789626240.

The previous prime is 20030132210177. The next prime is 20030132210227. The reversal of 20030132210220 is 2201223103002.

20030132210220 is a `hidden beast` number, since 20 + 0 + 301 + 322 + 1 + 0 + 2 + 20 = 666.

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 = 20030132210193 and 20030132210202.

It is not an unprimeable number, because it can be changed into a prime (20030132210227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5058112215 + ... + 5058116174.

It is an arithmetic number, because the mean of its divisors is an integer number (920576783490).

Almost surely, 220030132210220 is an apocalyptic number.

20030132210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030132210220 is an abundant number, since it is smaller than the sum of its proper divisors (46251396201060).

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

20030132210220 is a wasteful number, since it uses less digits than its factorization.

20030132210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116228415 (or 10116228410 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20030132210220 its reverse (2201223103002), we get a palindrome (22231355313222).

The spelling of 20030132210220 in words is "twenty trillion, thirty billion, one hundred thirty-two million, two hundred ten 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 10116228389 20232456778 30348685167 40464913556 50581141945 60697370334 91046055501 101162283890 111278512279 121394740668 151743425835 182092111002 202324567780 222557024558 303486851670 333835536837 364184222004 445114049116 455230277505 556392561395 606973703340 667671073674 910460555010 1001506610511 1112785122790 1335342147348 1669177684185 1820921110020 2003013221022 2225570245580 3338355368370 4006026442044 5007533052555 6676710736740 10015066105110 20030132210220