220320030 has 32 divisors (see below), whose sum is σ = 604306944. Its totient is φ = 50358816.

The previous prime is 220319971. The next prime is 220320043. The reversal of 220320030 is 30023022.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220319988 and 220320015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524362 + ... + 524781.

It is an arithmetic number, because the mean of its divisors is an integer number (18884592).

Almost surely, 2^220320030 is an apocalyptic number.

220320030 is an abundant number, since it is smaller than the sum of its proper divisors (383986914).

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

220320030 is a wasteful number, since it uses less digits than its factorization.

220320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049160.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 220320030 is about 14843.1812627886. The cubic root of 220320030 is about 603.9736531495.

Adding to 220320030 its reverse (30023022), we get a palindrome (250343052).

The spelling of 220320030 in words is "two hundred twenty million, three hundred twenty thousand, thirty".