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20302366 = 272223929
BaseRepresentation
bin100110101110…
…0101000011110
31102012110121111
41031130220132
520144133431
62003052234
7334365400
oct115345036
942173544
1020302366
1110507517
12697107a
13428ac46
1429a6b70
151bb07b1
hex135ca1e

20302366 has 24 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 8652672.

The previous prime is 20302363. The next prime is 20302367. The reversal of 20302366 is 66320302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21390 + ... + 22318.

It is an arithmetic number, because the mean of its divisors is an integer number (1484280).

Almost surely, 220302366 is an apocalyptic number.

20302366 is a deficient number, since it is larger than the sum of its proper divisors (15320354).

20302366 is a wasteful number, since it uses less digits than its factorization.

20302366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 20302366 is about 4505.8146877119. The cubic root of 20302366 is about 272.8028381384.

Adding to 20302366 its reverse (66320302), we get a palindrome (86622668).

The spelling of 20302366 in words is "twenty million, three hundred two thousand, three hundred sixty-six".

Divisors: 1 2 7 14 49 98 223 446 929 1561 1858 3122 6503 10927 13006 21854 45521 91042 207167 414334 1450169 2900338 10151183 20302366