1320220220239 has 2 divisors, whose sum is σ = 1320220220240. Its totient is φ = 1320220220238.

The previous prime is 1320220220213. The next prime is 1320220220261. The reversal of 1320220220239 is 9320220220231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320220220239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320220020239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660110110119 + 660110110120.

It is an arithmetic number, because the mean of its divisors is an integer number (660110110120).

Almost surely, 2^{1320220220239} is an apocalyptic number.

1320220220239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320220220239 is an equidigital number, since it uses as much as digits as its factorization.

1320220220239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 1320220220239 in words is "one trillion, three hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred thirty-nine".