432543220 has 36 divisors (see below), whose sum is σ = 917394660. Its totient is φ = 171309568.

The previous prime is 432543203. The next prime is 432543233. The reversal of 432543220 is 22345234.

It can be written as a sum of positive squares in 2 ways, for example, as 181764324 + 250778896 = 13482^2 + 15836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228036 + ... + 229924.

It is an arithmetic number, because the mean of its divisors is an integer number (25483185).

Almost surely, 2^432543220 is an apocalyptic number.

It is an amenable number.

432543220 is an abundant number, since it is smaller than the sum of its proper divisors (484851440).

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

432543220 is a wasteful number, since it uses less digits than its factorization.

432543220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2003 counting only the distinct ones).

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

The square root of 432543220 is about 20797.6734275736. The cubic root of 432543220 is about 756.2693556961.

Adding to 432543220 its reverse (22345234), we get a palindrome (454888454).

The spelling of 432543220 in words is "four hundred thirty-two million, five hundred forty-three thousand, two hundred twenty".