20184233 has 2 divisors, whose sum is σ = 20184234. Its totient is φ = 20184232.

The previous prime is 20184223. The next prime is 20184239. The reversal of 20184233 is 33248102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18215824 + 1968409 = 4268^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 20184233 - 2¹⁰ = 20183209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20184199 and 20184208.

It is not a weakly prime, because it can be changed into another prime (20184239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10092116 + 10092117.

It is an arithmetic number, because the mean of its divisors is an integer number (10092117).

Almost surely, 2^20184233 is an apocalyptic number.

It is an amenable number.

20184233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20184233 is an equidigital number, since it uses as much as digits as its factorization.

20184233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20184233 is about 4492.6866127074. The cubic root of 20184233 is about 272.2726909497.

The spelling of 20184233 in words is "twenty million, one hundred eighty-four thousand, two hundred thirty-three".