Search a number
-
+
20302302 = 2316320759
BaseRepresentation
bin100110101110…
…0100111011110
31102012110112010
41031130213132
520144133202
62003052050
7334365246
oct115344736
942173463
1020302302
1110507469
126971026
13428abc7
1429a6b26
151bb076c
hex135c9de

20302302 has 16 divisors (see below), whose sum is σ = 40855680. Its totient is φ = 6725592.

The previous prime is 20302297. The next prime is 20302309. The reversal of 20302302 is 20320302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302309) 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, 9402 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (2553480).

Almost surely, 220302302 is an apocalyptic number.

20302302 is an abundant number, since it is smaller than the sum of its proper divisors (20553378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302302 is a wasteful number, since it uses less digits than its factorization.

20302302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20927.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20302302 is about 4505.8075857719. The cubic root of 20302302 is about 272.8025514821.

Adding to 20302302 its reverse (20320302), we get a palindrome (40622604).

The spelling of 20302302 in words is "twenty million, three hundred two thousand, three hundred two".

Divisors: 1 2 3 6 163 326 489 978 20759 41518 62277 124554 3383717 6767434 10151151 20302302