220304004 has 24 divisors (see below), whose sum is σ = 514408608. Its totient is φ = 73382400.

The previous prime is 220303997. The next prime is 220304023. The reversal of 220304004 is 400403022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13479 + ... + 24945.

It is an arithmetic number, because the mean of its divisors is an integer number (21433692).

Almost surely, 2^220304004 is an apocalyptic number.

It is an amenable number.

220304004 is an abundant number, since it is smaller than the sum of its proper divisors (294104604).

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

220304004 is a wasteful number, since it uses less digits than its factorization.

220304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075 (or 13073 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220304004 is about 14842.6414091293. The cubic root of 220304004 is about 603.9590085188.

Adding to 220304004 its reverse (400403022), we get a palindrome (620707026).

The spelling of 220304004 in words is "two hundred twenty million, three hundred four thousand, four".