220000307 has 2 divisors, whose sum is σ = 220000308. Its totient is φ = 220000306.

The previous prime is 220000303. The next prime is 220000331. The reversal of 220000307 is 703000022.

220000307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220000307 - 2² = 220000303 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220000291 and 220000300.

It is not a weakly prime, because it can be changed into another prime (220000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000153 + 110000154.

It is an arithmetic number, because the mean of its divisors is an integer number (110000154).

Almost surely, 2^220000307 is an apocalyptic number.

220000307 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000307 is an equidigital number, since it uses as much as digits as its factorization.

220000307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 220000307 is about 14832.4073231556. The cubic root of 220000307 is about 603.6813544828.

Adding to 220000307 its reverse (703000022), we get a palindrome (923000329).

The spelling of 220000307 in words is "two hundred twenty million, three hundred seven", and thus it is an aban number.