1020320214197 has 2 divisors, whose sum is σ = 1020320214198. Its totient is φ = 1020320214196.

The previous prime is 1020320214187. The next prime is 1020320214289. The reversal of 1020320214197 is 7914120230201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916214610481 + 104105603716 = 957191^2 + 322654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020320214197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020320214187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510160107098 + 510160107099.

It is an arithmetic number, because the mean of its divisors is an integer number (510160107099).

Almost surely, 2^{1020320214197} is an apocalyptic number.

It is an amenable number.

1020320214197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020320214197 is an equidigital number, since it uses as much as digits as its factorization.

1020320214197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

Adding to 1020320214197 its reverse (7914120230201), we get a palindrome (8934440444398).

The spelling of 1020320214197 in words is "one trillion, twenty billion, three hundred twenty million, two hundred fourteen thousand, one hundred ninety-seven".