430340020 has 24 divisors (see below), whose sum is σ = 985870368. Its totient is φ = 156487200.

The previous prime is 430340003. The next prime is 430340021. The reversal of 430340020 is 20043034.

It is a junction number, because it is equal to n+sod(n) for n = 430339976 and 430340003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430340021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977826 + ... + 978265.

It is an arithmetic number, because the mean of its divisors is an integer number (41077932).

Almost surely, 2^430340020 is an apocalyptic number.

It is an amenable number.

430340020 is an abundant number, since it is smaller than the sum of its proper divisors (555530348).

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

430340020 is a wasteful number, since it uses less digits than its factorization.

430340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956111 (or 1956109 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 430340020 is about 20744.6383434371. The cubic root of 430340020 is about 754.9831260939.

Adding to 430340020 its reverse (20043034), we get a palindrome (450383054).

The spelling of 430340020 in words is "four hundred thirty million, three hundred forty thousand, twenty".