432241220 has 12 divisors (see below), whose sum is σ = 907706604. Its totient is φ = 172896480.

The previous prime is 432241207. The next prime is 432241237. The reversal of 432241220 is 22142234.

It can be written as a sum of positive squares in 2 ways, for example, as 54405376 + 377835844 = 7376^2 + 19438^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21612061 = 432241220 / (4 + 3 + 2 + 2 + 4 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 432241192 and 432241201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10806011 + ... + 10806050.

It is an arithmetic number, because the mean of its divisors is an integer number (75642217).

Almost surely, 2^432241220 is an apocalyptic number.

It is an amenable number.

432241220 is an abundant number, since it is smaller than the sum of its proper divisors (475465384).

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

432241220 is a wasteful number, since it uses less digits than its factorization.

432241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21612070 (or 21612068 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 432241220 is about 20790.4117323347. The cubic root of 432241220 is about 756.0933066064.

Adding to 432241220 its reverse (22142234), we get a palindrome (454383454).

It can be divided in two parts, 43224 and 1220, that added together give a palindrome (44444).

The spelling of 432241220 in words is "four hundred thirty-two million, two hundred forty-one thousand, two hundred twenty".