20034433 has 2 divisors, whose sum is σ = 20034434. Its totient is φ = 20034432.

The previous prime is 20034397. The next prime is 20034451. The reversal of 20034433 is 33443002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19289664 + 744769 = 4392^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 20034433 - 2¹³ = 20026241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20034433.

It is not a weakly prime, because it can be changed into another prime (20034233) 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, 10017216 + 10017217.

It is an arithmetic number, because the mean of its divisors is an integer number (10017217).

Almost surely, 2^20034433 is an apocalyptic number.

It is an amenable number.

20034433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034433 is an equidigital number, since it uses as much as digits as its factorization.

20034433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 20034433 is about 4475.9840258875. The cubic root of 20034433 is about 271.5974482507.

Adding to 20034433 its reverse (33443002), we get a palindrome (53477435).

The spelling of 20034433 in words is "twenty million, thirty-four thousand, four hundred thirty-three".