20003507021339 has 2 divisors, whose sum is σ = 20003507021340. Its totient is φ = 20003507021338.

The previous prime is 20003507021321. The next prime is 20003507021371. The reversal of 20003507021339 is 93312070530002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003507021339 - 2⁴⁴ = 2411320976923 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003507021299 and 20003507021308.

It is not a weakly prime, because it can be changed into another prime (20003507021039) 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, 10001753510669 + 10001753510670.

It is an arithmetic number, because the mean of its divisors is an integer number (10001753510670).

Almost surely, 2^{20003507021339} is an apocalyptic number.

20003507021339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003507021339 is an equidigital number, since it uses as much as digits as its factorization.

20003507021339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The spelling of 20003507021339 in words is "twenty trillion, three billion, five hundred seven million, twenty-one thousand, three hundred thirty-nine".