220800830 has 32 divisors (see below), whose sum is σ = 416900736. Its totient is φ = 84098304.

The previous prime is 220800823. The next prime is 220800871. The reversal of 220800830 is 38008022.

It is a junction number, because it is equal to n+sod(n) for n = 220800796 and 220800805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11042 + ... + 23738.

It is an arithmetic number, because the mean of its divisors is an integer number (13028148).

Almost surely, 2^220800830 is an apocalyptic number.

220800830 is a deficient number, since it is larger than the sum of its proper divisors (196099906).

220800830 is a wasteful number, since it uses less digits than its factorization.

220800830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 220800830 is about 14859.3684253403. The cubic root of 220800830 is about 604.4126804898.

Adding to 220800830 its reverse (38008022), we get a palindrome (258808852).

The spelling of 220800830 in words is "two hundred twenty million, eight hundred thousand, eight hundred thirty".