220304011 has 4 divisors (see below), whose sum is σ = 227410624. Its totient is φ = 213197400.

The previous prime is 220303997. The next prime is 220304023. The reversal of 220304011 is 110403022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220304011 - 2¹³ = 220295819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220303982 and 220304000.

It is not an unprimeable number, because it can be changed into a prime (220304041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553260 + ... + 3553321.

It is an arithmetic number, because the mean of its divisors is an integer number (56852656).

Almost surely, 2^220304011 is an apocalyptic number.

220304011 is a deficient number, since it is larger than the sum of its proper divisors (7106613).

220304011 is an equidigital number, since it uses as much as digits as its factorization.

220304011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106612.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220304011 is about 14842.6416449364. The cubic root of 220304011 is about 603.9590149156.

Adding to 220304011 its reverse (110403022), we get a palindrome (330707033).

The spelling of 220304011 in words is "two hundred twenty million, three hundred four thousand, eleven".