4032543220 has 12 divisors (see below), whose sum is σ = 8468340804. Its totient is φ = 1613017280.

The previous prime is 4032543173. The next prime is 4032543239. The reversal of 4032543220 is 223452304.

It can be written as a sum of positive squares in 2 ways, for example, as 829209616 + 3203333604 = 28796^2 + 56598^2 .

It is a super-2 number, since 2×4032543220² = 32522809642335936800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100813561 + ... + 100813600.

It is an arithmetic number, because the mean of its divisors is an integer number (705695067).

Almost surely, 2^4032543220 is an apocalyptic number.

It is an amenable number.

4032543220 is an abundant number, since it is smaller than the sum of its proper divisors (4435797584).

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

4032543220 is a wasteful number, since it uses less digits than its factorization.

4032543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201627170 (or 201627168 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 4032543220 is about 63502.3087769256. The cubic root of 4032543220 is about 1591.6943582377.

Adding to 4032543220 its reverse (223452304), we get a palindrome (4255995524).

The spelling of 4032543220 in words is "four billion, thirty-two million, five hundred forty-three thousand, two hundred twenty".