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20027359 = 111820669
BaseRepresentation
bin100110001100…
…1011111011111
31101200111101001
41030121133133
520111333414
61553131131
7332141542
oct114313737
941614331
1020027359
1110339940
126859aa7
1341c2a11
142934859
151b59074
hex13197df

20027359 has 4 divisors (see below), whose sum is σ = 21848040. Its totient is φ = 18206680.

The previous prime is 20027353. The next prime is 20027363. The reversal of 20027359 is 95372002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20027359 - 25 = 20027327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027353) 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, 910324 + ... + 910345.

It is an arithmetic number, because the mean of its divisors is an integer number (5462010).

Almost surely, 220027359 is an apocalyptic number.

20027359 is a deficient number, since it is larger than the sum of its proper divisors (1820681).

20027359 is a wasteful number, since it uses less digits than its factorization.

20027359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820680.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 20027359 is about 4475.1937388229. The cubic root of 20027359 is about 271.5654781832.

The spelling of 20027359 in words is "twenty million, twenty-seven thousand, three hundred fifty-nine".

Divisors: 1 11 1820669 20027359