1220200307 has 2 divisors, whose sum is σ = 1220200308. Its totient is φ = 1220200306.

The previous prime is 1220200297. The next prime is 1220200309. The reversal of 1220200307 is 7030020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220200307 - 2⁶ = 1220200243 is a prime.

Together with 1220200309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1220200309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100153 + 610100154.

It is an arithmetic number, because the mean of its divisors is an integer number (610100154).

Almost surely, 2^1220200307 is an apocalyptic number.

1220200307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220200307 is an equidigital number, since it uses as much as digits as its factorization.

1220200307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1220200307 is about 34931.3656618232. The cubic root of 1220200307 is about 1068.5882061795.

Adding to 1220200307 its reverse (7030020221), we get a palindrome (8250220528).

The spelling of 1220200307 in words is "one billion, two hundred twenty million, two hundred thousand, three hundred seven".