220304120 has 32 divisors (see below), whose sum is σ = 517237920. Its totient is φ = 84289920.

The previous prime is 220304113. The next prime is 220304131. The reversal of 220304120 is 21403022.

It is a junction number, because it is equal to n+sod(n) for n = 220304095 and 220304104.

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 7 ways as a sum of consecutive naturals, for example, 118811 + ... + 120650.

It is an arithmetic number, because the mean of its divisors is an integer number (16163685).

Almost surely, 2^220304120 is an apocalyptic number.

220304120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220304120 is an abundant number, since it is smaller than the sum of its proper divisors (296933800).

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

220304120 is a wasteful number, since it uses less digits than its factorization.

220304120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239495 (or 239491 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220304120 is about 14842.6453167891. The cubic root of 220304120 is about 603.9591145227.

Adding to 220304120 its reverse (21403022), we get a palindrome (241707142).

The spelling of 220304120 in words is "two hundred twenty million, three hundred four thousand, one hundred twenty".