433020442 has 4 divisors (see below), whose sum is σ = 649530666. Its totient is φ = 216510220.

The previous prime is 433020403. The next prime is 433020443. The reversal of 433020442 is 244020334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 266636241 + 166384201 = 16329^2 + 12899^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (433020443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108255109 + ... + 108255112.

Almost surely, 2^433020442 is an apocalyptic number.

433020442 is a deficient number, since it is larger than the sum of its proper divisors (216510224).

433020442 is a wasteful number, since it uses less digits than its factorization.

433020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216510223.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 433020442 is about 20809.1432308012. The cubic root of 433020442 is about 756.5473824226.

Adding to 433020442 its reverse (244020334), we get a palindrome (677040776).

The spelling of 433020442 in words is "four hundred thirty-three million, twenty thousand, four hundred forty-two".