1320221420059 has 2 divisors, whose sum is σ = 1320221420060. Its totient is φ = 1320221420058.

The previous prime is 1320221420047. The next prime is 1320221420069. The reversal of 1320221420059 is 9500241220231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320221420059 - 2¹⁵ = 1320221387291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320221420059.

It is not a weakly prime, because it can be changed into another prime (1320221420069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660110710029 + 660110710030.

It is an arithmetic number, because the mean of its divisors is an integer number (660110710030).

Almost surely, 2^{1320221420059} is an apocalyptic number.

1320221420059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320221420059 is an equidigital number, since it uses as much as digits as its factorization.

1320221420059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1320221420059 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, four hundred twenty thousand, fifty-nine".