Search a number
-
+
20302119 = 323137207
BaseRepresentation
bin100110101110…
…0100100100111
31102012110021100
41031130210213
520144131434
62003051143
7334364565
oct115344447
942173240
1020302119
1110507312
126970ab3
13428aab6
1429a6a35
151bb0699
hex135c927

20302119 has 12 divisors (see below), whose sum is σ = 29423056. Its totient is φ = 13489632.

The previous prime is 20302099. The next prime is 20302133. The reversal of 20302119 is 91120302.

It is a happy number.

It is not a de Polignac number, because 20302119 - 27 = 20301991 is a prime.

It is a super-2 number, since 2×203021192 = 824352071780322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302189) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 787 + ... + 6420.

Almost surely, 220302119 is an apocalyptic number.

20302119 is a deficient number, since it is larger than the sum of its proper divisors (9120937).

20302119 is a wasteful number, since it uses less digits than its factorization.

20302119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20302119 is about 4505.7872786007. The cubic root of 20302119 is about 272.8017318211.

The spelling of 20302119 in words is "twenty million, three hundred two thousand, one hundred nineteen".

Divisors: 1 3 9 313 939 2817 7207 21621 64863 2255791 6767373 20302119