1020203023339 has 2 divisors, whose sum is σ = 1020203023340. Its totient is φ = 1020203023338.

The previous prime is 1020203023319. The next prime is 1020203023361. The reversal of 1020203023339 is 9333203020201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020203023339 - 2¹⁵ = 1020202990571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020203023319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510101511669 + 510101511670.

It is an arithmetic number, because the mean of its divisors is an integer number (510101511670).

Almost surely, 2^{1020203023339} is an apocalyptic number.

1020203023339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020203023339 is an equidigital number, since it uses as much as digits as its factorization.

1020203023339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 1020203023339 in words is "one trillion, twenty billion, two hundred three million, twenty-three thousand, three hundred thirty-nine".