4020032443 has 4 divisors (see below), whose sum is σ = 4594322800. Its totient is φ = 3445742088.

The previous prime is 4020032441. The next prime is 4020032503. The reversal of 4020032443 is 3442300204.

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

It is a cyclic number.

It is not a de Polignac number, because 4020032443 - 2¹ = 4020032441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020032441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287145168 + ... + 287145181.

It is an arithmetic number, because the mean of its divisors is an integer number (1148580700).

Almost surely, 2^4020032443 is an apocalyptic number.

4020032443 is a deficient number, since it is larger than the sum of its proper divisors (574290357).

4020032443 is an equidigital number, since it uses as much as digits as its factorization.

4020032443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574290356.

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

The square root of 4020032443 is about 63403.7257816920. The cubic root of 4020032443 is about 1590.0466005619.

Adding to 4020032443 its reverse (3442300204), we get a palindrome (7462332647).

The spelling of 4020032443 in words is "four billion, twenty million, thirty-two thousand, four hundred forty-three".