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20027411 = 172232131
BaseRepresentation
bin100110001100…
…1100000010011
31101200111102222
41030121200103
520111334121
61553131255
7332141645
oct114314023
941614388
1020027411
1110339988
126859b2b
1341c2a51
142934895
151b590ab
hex1319813

20027411 has 18 divisors (see below), whose sum is σ = 22409772. Its totient is φ = 17892160.

The previous prime is 20027401. The next prime is 20027419. The reversal of 20027411 is 11472002.

It is not a de Polignac number, because 20027411 - 26 = 20027347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20027411.

It is not an unprimeable number, because it can be changed into a prime (20027419) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 152816 + ... + 152946.

Almost surely, 220027411 is an apocalyptic number.

20027411 is a deficient number, since it is larger than the sum of its proper divisors (2382361).

20027411 is a wasteful number, since it uses less digits than its factorization.

20027411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20027411 is about 4475.1995486235. The cubic root of 20027411 is about 271.5657132183.

Adding to 20027411 its reverse (11472002), we get a palindrome (31499413).

The spelling of 20027411 in words is "twenty million, twenty-seven thousand, four hundred eleven".

Divisors: 1 17 23 131 289 391 529 2227 3013 6647 8993 37859 51221 69299 152881 870757 1178083 20027411