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20325141 = 336311193
BaseRepresentation
bin100110110001…
…0001100010101
31102020121212000
41031202030111
520200401031
62003345513
7334521654
oct115421425
942217760
1020325141
1110522641
126982299
134298415
1429b119b
151bb73e6
hex1362315

20325141 has 16 divisors (see below), whose sum is σ = 30184320. Its totient is φ = 13517280.

The previous prime is 20325133. The next prime is 20325161. The reversal of 20325141 is 14152302.

It is not a de Polignac number, because 20325141 - 23 = 20325133 is a prime.

It is a super-2 number, since 2×203251412 = 826222713339762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16441 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (1886520).

Almost surely, 220325141 is an apocalyptic number.

It is an amenable number.

20325141 is a deficient number, since it is larger than the sum of its proper divisors (9859179).

20325141 is a wasteful number, since it uses less digits than its factorization.

20325141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20325141 is about 4508.3412692475. The cubic root of 20325141 is about 272.9048092227.

Adding to 20325141 its reverse (14152302), we get a palindrome (34477443).

The spelling of 20325141 in words is "twenty million, three hundred twenty-five thousand, one hundred forty-one".

Divisors: 1 3 9 27 631 1193 1893 3579 5679 10737 17037 32211 752783 2258349 6775047 20325141