3200430820 has 12 divisors (see below), whose sum is σ = 6720904764. Its totient is φ = 1280172320.

The previous prime is 3200430803. The next prime is 3200430823. The reversal of 3200430820 is 280340023.

It can be written as a sum of positive squares in 2 ways, for example, as 1723412196 + 1477018624 = 41514^2 + 38432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3200430791 and 3200430800.

It is not an unprimeable number, because it can be changed into a prime (3200430823) 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 3 ways as a sum of consecutive naturals, for example, 80010751 + ... + 80010790.

It is an arithmetic number, because the mean of its divisors is an integer number (560075397).

Almost surely, 2^3200430820 is an apocalyptic number.

It is an amenable number.

3200430820 is an abundant number, since it is smaller than the sum of its proper divisors (3520473944).

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

3200430820 is a wasteful number, since it uses less digits than its factorization.

3200430820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160021550 (or 160021548 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3200430820 is about 56572.3503135587. The cubic root of 3200430820 is about 1473.6787279240.

Adding to 3200430820 its reverse (280340023), we get a palindrome (3480770843).

The spelling of 3200430820 in words is "three billion, two hundred million, four hundred thirty thousand, eight hundred twenty".