4020423232 has 56 divisors (see below), whose sum is σ = 9411898880. Its totient is φ = 1667450880.

The previous prime is 4020423229. The next prime is 4020423247. The reversal of 4020423232 is 2323240204.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130857 + ... + 158632.

Almost surely, 2^4020423232 is an apocalyptic number.

It is an amenable number.

4020423232 is an abundant number, since it is smaller than the sum of its proper divisors (5391475648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020423232 is a wasteful number, since it uses less digits than its factorization.

4020423232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289539 (or 289529 counting only the distinct ones).

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

The square root of 4020423232 is about 63406.8074578747. The cubic root of 4020423232 is about 1590.0981219195.

Adding to 4020423232 its reverse (2323240204), we get a palindrome (6343663436).

It can be divided in two parts, 40204 and 23232, that added together give a palindrome (63436).

The spelling of 4020423232 in words is "four billion, twenty million, four hundred twenty-three thousand, two hundred thirty-two".