Base | Representation |
---|---|
bin | 10010101001010010… |
… | …101111100110010100 |
3 | 1220200020102002111102 |
4 | 102221102233212110 |
5 | 312000123212434 |
6 | 13110324525232 |
7 | 1306055213330 |
oct | 225122574624 |
9 | 56606362442 |
10 | 20020132244 |
11 | 854392a742 |
12 | 3a68850818 |
13 | 1b709062c8 |
14 | d7cc467c0 |
15 | 7c28e607e |
hex | 4a94af994 |
20020132244 has 12 divisors (see below), whose sum is σ = 40040264544. Its totient is φ = 8580056664.
The previous prime is 20020132241. The next prime is 20020132273. The reversal of 20020132244 is 44223102002.
20020132244 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020132241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357502334 + ... + 357502389.
It is an arithmetic number, because the mean of its divisors is an integer number (3336688712).
Almost surely, 220020132244 is an apocalyptic number.
It is an amenable number.
20020132244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020132244 is a wasteful number, since it uses less digits than its factorization.
20020132244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 715004734 (or 715004732 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20020132244 its reverse (44223102002), we get a palindrome (64243234246).
The spelling of 20020132244 in words is "twenty billion, twenty million, one hundred thirty-two thousand, two hundred forty-four".
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