Search a number
-
+
20027235 = 351970271
BaseRepresentation
bin100110001100…
…1011101100011
31101200111012110
41030121131203
520111332420
61553130403
7332141304
oct114313543
941614173
1020027235
1110339838
126859a03
1341c2947
1429347ab
151b58ee0
hex1319763

20027235 has 16 divisors (see below), whose sum is σ = 33730560. Its totient is φ = 10118880.

The previous prime is 20027221. The next prime is 20027251. The reversal of 20027235 is 53272002.

It is not a de Polignac number, because 20027235 - 24 = 20027219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34851 + ... + 35420.

It is an arithmetic number, because the mean of its divisors is an integer number (2108160).

Almost surely, 220027235 is an apocalyptic number.

20027235 is a deficient number, since it is larger than the sum of its proper divisors (13703325).

20027235 is a wasteful number, since it uses less digits than its factorization.

20027235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70298.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20027235 is about 4475.1798846527. The cubic root of 20027235 is about 271.5649177135.

Adding to 20027235 its reverse (53272002), we get a palindrome (73299237).

The spelling of 20027235 in words is "twenty million, twenty-seven thousand, two hundred thirty-five".

Divisors: 1 3 5 15 19 57 95 285 70271 210813 351355 1054065 1335149 4005447 6675745 20027235