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20324611 = 29716841
BaseRepresentation
bin100110110001…
…0000100000011
31102020121010101
41031202010003
520200341421
62003343231
7334520266
oct115420403
942217111
1020324611
11105221aa
126981b17
1342980c8
1429b0cdd
151bb7191
hex1362103

20324611 has 4 divisors (see below), whose sum is σ = 20334424. Its totient is φ = 20314800.

The previous prime is 20324609. The next prime is 20324641. The reversal of 20324611 is 11642302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20324611 - 21 = 20324609 is a prime.

It is a super-3 number, since 3×203246113 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (5083606).

Almost surely, 220324611 is an apocalyptic number.

20324611 is a deficient number, since it is larger than the sum of its proper divisors (9813).

20324611 is an equidigital number, since it uses as much as digits as its factorization.

20324611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20324611 is about 4508.2824889308. The cubic root of 20324611 is about 272.9024371062.

Adding to 20324611 its reverse (11642302), we get a palindrome (31966913).

The spelling of 20324611 in words is "twenty million, three hundred twenty-four thousand, six hundred eleven".

Divisors: 1 2971 6841 20324611