220304505055 has 8 divisors (see below), whose sum is σ = 265055657472. Its totient is φ = 175783436448.

The previous prime is 220304505053. The next prime is 220304505073. The reversal of 220304505055 is 550505403022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220304505055 - 2¹ = 220304505053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220304505053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57518844 + ... + 57522673.

It is an arithmetic number, because the mean of its divisors is an integer number (33131957184).

Almost surely, 2^220304505055 is an apocalyptic number.

220304505055 is a deficient number, since it is larger than the sum of its proper divisors (44751152417).

220304505055 is a wasteful number, since it uses less digits than its factorization.

220304505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115041905.

The product of its (nonzero) digits is 30000, while the sum is 31.

Adding to 220304505055 its reverse (550505403022), we get a palindrome (770809908077).

The spelling of 220304505055 in words is "two hundred twenty billion, three hundred four million, five hundred five thousand, fifty-five".