320830630 has 32 divisors (see below), whose sum is σ = 612360000. Its totient is φ = 120606720.

The previous prime is 320830621. The next prime is 320830649. The reversal of 320830630 is 36038023.

It is a junction number, because it is equal to n+sod(n) for n = 320830595 and 320830604.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 211575 + ... + 213085.

It is an arithmetic number, because the mean of its divisors is an integer number (19136250).

Almost surely, 2^320830630 is an apocalyptic number.

320830630 is a deficient number, since it is larger than the sum of its proper divisors (291529370).

320830630 is a wasteful number, since it uses less digits than its factorization.

320830630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 320830630 is about 17911.7455877421. The cubic root of 320830630 is about 684.5816828958.

Adding to 320830630 its reverse (36038023), we get a palindrome (356868653).

The spelling of 320830630 in words is "three hundred twenty million, eight hundred thirty thousand, six hundred thirty".