4020443433 has 12 divisors (see below), whose sum is σ = 5820246900. Its totient is φ = 2674323456.

The previous prime is 4020443417. The next prime is 4020443437. The reversal of 4020443433 is 3343440204.

It can be written as a sum of positive squares in 2 ways, for example, as 3181298409 + 839145024 = 56403^2 + 28968^2 .

It is not a de Polignac number, because 4020443433 - 2⁴ = 4020443417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4020443397 and 4020443406.

It is not an unprimeable number, because it can be changed into a prime (4020443437) 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 in 11 ways as a sum of consecutive naturals, for example, 493416 + ... + 501497.

It is an arithmetic number, because the mean of its divisors is an integer number (485020575).

Almost surely, 2^4020443433 is an apocalyptic number.

It is an amenable number.

4020443433 is a deficient number, since it is larger than the sum of its proper divisors (1799803467).

4020443433 is a wasteful number, since it uses less digits than its factorization.

4020443433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995368 (or 995365 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 4020443433 is about 63406.9667544506. The cubic root of 4020443433 is about 1590.1007851149.

Adding to 4020443433 its reverse (3343440204), we get a palindrome (7363883637).

The spelling of 4020443433 in words is "four billion, twenty million, four hundred forty-three thousand, four hundred thirty-three".