820211493413833 has 8 divisors (see below), whose sum is σ = 823131384921216. Its totient is φ = 817291608924000.

The previous prime is 820211493413791. The next prime is 820211493413881. The reversal of 820211493413833 is 338314394112028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 820211493413833 - 2¹⁷ = 820211493282761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820211493411833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380002260 + ... + 382154602.

It is an arithmetic number, because the mean of its divisors is an integer number (102891423115152).

Almost surely, 2^{820211493413833} is an apocalyptic number.

It is an amenable number.

820211493413833 is a deficient number, since it is larger than the sum of its proper divisors (2919891507383).

820211493413833 is a wasteful number, since it uses less digits than its factorization.

820211493413833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508775.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 820211493413833 in words is "eight hundred twenty trillion, two hundred eleven billion, four hundred ninety-three million, four hundred thirteen thousand, eight hundred thirty-three".