220430207 has 2 divisors, whose sum is σ = 220430208. Its totient is φ = 220430206.

The previous prime is 220430179. The next prime is 220430219. The reversal of 220430207 is 702034022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220430207 - 2¹² = 220426111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220430237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110215103 + 110215104.

It is an arithmetic number, because the mean of its divisors is an integer number (110215104).

Almost surely, 2^220430207 is an apocalyptic number.

220430207 is a deficient number, since it is larger than the sum of its proper divisors (1).

220430207 is an equidigital number, since it uses as much as digits as its factorization.

220430207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 220430207 is about 14846.8921663761. The cubic root of 220430207 is about 604.0743141681.

Adding to 220430207 its reverse (702034022), we get a palindrome (922464229).

The spelling of 220430207 in words is "two hundred twenty million, four hundred thirty thousand, two hundred seven".