1020320214289 has 2 divisors, whose sum is σ = 1020320214290. Its totient is φ = 1020320214288.

The previous prime is 1020320214197. The next prime is 1020320214293. The reversal of 1020320214289 is 9824120230201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1014820508689 + 5499705600 = 1007383^2 + 74160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020320214289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020320514289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510160107144 + 510160107145.

It is an arithmetic number, because the mean of its divisors is an integer number (510160107145).

Almost surely, 2^{1020320214289} is an apocalyptic number.

It is an amenable number.

1020320214289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020320214289 is an equidigital number, since it uses as much as digits as its factorization.

1020320214289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1020320214289 in words is "one trillion, twenty billion, three hundred twenty million, two hundred fourteen thousand, two hundred eighty-nine".