10205216665333 has 4 divisors (see below), whose sum is σ = 10205237420640. Its totient is φ = 10205195910028.

The previous prime is 10205216665297. The next prime is 10205216665379. The reversal of 10205216665333 is 33356661250201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10205216665333 - 2⁹ = 10205216664821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10205216665333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205216665393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9621763 + ... + 10629616.

It is an arithmetic number, because the mean of its divisors is an integer number (2551309355160).

Almost surely, 2^{10205216665333} is an apocalyptic number.

It is an amenable number.

10205216665333 is a deficient number, since it is larger than the sum of its proper divisors (20755307).

10205216665333 is an equidigital number, since it uses as much as digits as its factorization.

10205216665333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20755306.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 10205216665333 in words is "ten trillion, two hundred five billion, two hundred sixteen million, six hundred sixty-five thousand, three hundred thirty-three".