4020031032 has 32 divisors (see below), whose sum is σ = 10163005200. Its totient is φ = 1324953344.

The previous prime is 4020031031. The next prime is 4020031061. The reversal of 4020031032 is 2301300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020031031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938883 + ... + 943154.

Almost surely, 2^4020031032 is an apocalyptic number.

It is an amenable number.

4020031032 is an abundant number, since it is smaller than the sum of its proper divisors (6142974168).

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

4020031032 is a wasteful number, since it uses less digits than its factorization.

4020031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882135 (or 1882131 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4020031032 is about 63403.7146545847. The cubic root of 4020031032 is about 1590.0464145305.

Adding to 4020031032 its reverse (2301300204), we get a palindrome (6321331236).

The spelling of 4020031032 in words is "four billion, twenty million, thirty-one thousand, thirty-two".