Search a number
-
+
20652133 is a prime number
BaseRepresentation
bin100111011001…
…0000001100101
31102212020101211
41032302001211
520241332013
62014351421
7340353205
oct116620145
942766354
1020652133
1110726287
126abb571
1343811c8
142a58405
151c2e23d
hex13b2065

20652133 has 2 divisors, whose sum is σ = 20652134. Its totient is φ = 20652132.

The previous prime is 20652109. The next prime is 20652157. The reversal of 20652133 is 33125602.

It is a balanced prime because it is at equal distance from previous prime (20652109) and next prime (20652157).

It can be written as a sum of positive squares in only one way, i.e., 20493729 + 158404 = 4527^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 20652133 - 213 = 20643941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20652103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326066 + 10326067.

It is an arithmetic number, because the mean of its divisors is an integer number (10326067).

Almost surely, 220652133 is an apocalyptic number.

It is an amenable number.

20652133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20652133 is an equidigital number, since it uses as much as digits as its factorization.

20652133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 20652133 is about 4544.4617943162. The cubic root of 20652133 is about 274.3605329102.

Adding to 20652133 its reverse (33125602), we get a palindrome (53777735).

The spelling of 20652133 in words is "twenty million, six hundred fifty-two thousand, one hundred thirty-three".