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20027063 = 72861009
BaseRepresentation
bin100110001100…
…1011010110111
31101200110222002
41030121122313
520111331223
61553125515
7332140640
oct114313267
941613862
1020027063
11103396a1
12685989b
1341c2844
1429346c7
151b58e28
hex13196b7

20027063 has 4 divisors (see below), whose sum is σ = 22888080. Its totient is φ = 17166048.

The previous prime is 20026991. The next prime is 20027069. The reversal of 20027063 is 36072002.

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 20027063 - 216 = 19961527 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 (20027069) 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, 1430498 + ... + 1430511.

It is an arithmetic number, because the mean of its divisors is an integer number (5722020).

Almost surely, 220027063 is an apocalyptic number.

20027063 is a deficient number, since it is larger than the sum of its proper divisors (2861017).

20027063 is an equidigital number, since it uses as much as digits as its factorization.

20027063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861016.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20027063 is about 4475.1606675068. The cubic root of 20027063 is about 271.5641402838.

Adding to 20027063 its reverse (36072002), we get a palindrome (56099065).

The spelling of 20027063 in words is "twenty million, twenty-seven thousand, sixty-three".

Divisors: 1 7 2861009 20027063