20010033321349 has 2 divisors, whose sum is σ = 20010033321350. Its totient is φ = 20010033321348.

The previous prime is 20010033321287. The next prime is 20010033321379. The reversal of 20010033321349 is 94312333001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12551360984100 + 7458672337249 = 3542790^2 + 2731057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010033321349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010033321349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010033321379) 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, 10005016660674 + 10005016660675.

It is an arithmetic number, because the mean of its divisors is an integer number (10005016660675).

Almost surely, 2^{20010033321349} is an apocalyptic number.

It is an amenable number.

20010033321349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010033321349 is an equidigital number, since it uses as much as digits as its factorization.

20010033321349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 20010033321349 in words is "twenty trillion, ten billion, thirty-three million, three hundred twenty-one thousand, three hundred forty-nine".