430020442 has 4 divisors (see below), whose sum is σ = 645030666. Its totient is φ = 215010220.

The previous prime is 430020433. The next prime is 430020449. The reversal of 430020442 is 244020034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 427621041 + 2399401 = 20679^2 + 1549^2 .

It is not an unprimeable number, because it can be changed into a prime (430020449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107505109 + ... + 107505112.

Almost surely, 2^430020442 is an apocalyptic number.

430020442 is a deficient number, since it is larger than the sum of its proper divisors (215010224).

430020442 is a wasteful number, since it uses less digits than its factorization.

430020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215010223.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 430020442 is about 20736.9342478583. The cubic root of 430020442 is about 754.7961919363.

Adding to 430020442 its reverse (244020034), we get a palindrome (674040476).

It can be divided in two parts, 4300 and 20442, that added together give a palindrome (24742).

The spelling of 430020442 in words is "four hundred thirty million, twenty thousand, four hundred forty-two".