430001020 has 24 divisors (see below), whose sum is σ = 908760384. Its totient is φ = 170903616.

The previous prime is 430001003. The next prime is 430001021. The reversal of 430001020 is 20100034.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 430000988 and 430001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430001021) 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, 65332 + ... + 71611.

It is an arithmetic number, because the mean of its divisors is an integer number (37865016).

Almost surely, 2^430001020 is an apocalyptic number.

It is an amenable number.

430001020 is an abundant number, since it is smaller than the sum of its proper divisors (478759364).

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

430001020 is a wasteful number, since it uses less digits than its factorization.

430001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137109 (or 137107 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 430001020 is about 20736.4659476971. The cubic root of 430001020 is about 754.7848282344.

Adding to 430001020 its reverse (20100034), we get a palindrome (450101054).

The spelling of 430001020 in words is "four hundred thirty million, one thousand, twenty".