Search a number
-
+
20330112111 = 338917420833
BaseRepresentation
bin10010111011110001…
…001110010001101111
31221110211200200221020
4102323301032101233
5313114002041421
613201200505223
71316541046611
oct227361162157
957424620836
1020330112111
118692900151
123b3461b213
131bbcbb974a
14dac096db1
157dec26dc6
hex4bbc4e46f

20330112111 has 8 divisors (see below), whose sum is σ = 27176501040. Its totient is φ = 13518565632.

The previous prime is 20330112109. The next prime is 20330112163. The reversal of 20330112111 is 11121103302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20330112111 - 21 = 20330112109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8709250 + ... + 8711583.

It is an arithmetic number, because the mean of its divisors is an integer number (3397062630).

Almost surely, 220330112111 is an apocalyptic number.

20330112111 is a deficient number, since it is larger than the sum of its proper divisors (6846388929).

20330112111 is a wasteful number, since it uses less digits than its factorization.

20330112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17421225.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20330112111 its reverse (11121103302), we get a palindrome (31451215413).

The spelling of 20330112111 in words is "twenty billion, three hundred thirty million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 3 389 1167 17420833 52262499 6776704037 20330112111