1320233020013 has 2 divisors, whose sum is σ = 1320233020014. Its totient is φ = 1320233020012.

The previous prime is 1320233019971. The next prime is 1320233020103. The reversal of 1320233020013 is 3100203320231.

Together with next prime (1320233020103) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1146788257924 + 173444762089 = 1070882^2 + 416467^2 .

It is an emirp because it is prime and its reverse (3100203320231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320233020013 - 2¹² = 1320233015917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320233020913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660116510006 + 660116510007.

It is an arithmetic number, because the mean of its divisors is an integer number (660116510007).

Almost surely, 2^{1320233020013} is an apocalyptic number.

It is an amenable number.

1320233020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320233020013 is an equidigital number, since it uses as much as digits as its factorization.

1320233020013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1320233020013 its reverse (3100203320231), we get a palindrome (4420436340244).

The spelling of 1320233020013 in words is "one trillion, three hundred twenty billion, two hundred thirty-three million, twenty thousand, thirteen".