432020221 has 8 divisors (see below), whose sum is σ = 453589920. Its totient is φ = 410895408.

The previous prime is 432020219. The next prime is 432020231. The reversal of 432020221 is 122020234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432020221 - 2¹ = 432020219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432020195 and 432020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432020231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109231 + ... + 113116.

It is an arithmetic number, because the mean of its divisors is an integer number (56698740).

Almost surely, 2^432020221 is an apocalyptic number.

It is an amenable number.

432020221 is a deficient number, since it is larger than the sum of its proper divisors (21569699).

432020221 is a wasteful number, since it uses less digits than its factorization.

432020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222443.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 432020221 is about 20785.0961267924. The cubic root of 432020221 is about 755.9644245971.

Adding to 432020221 its reverse (122020234), we get a palindrome (554040455).

The spelling of 432020221 in words is "four hundred thirty-two million, twenty thousand, two hundred twenty-one".