820323343323028 has 48 divisors (see below), whose sum is σ = 1450977399305280. Its totient is φ = 405765116064000.

The previous prime is 820323343322999. The next prime is 820323343323047.

820323343323028 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19269512983 + ... + 19269555553.

It is an arithmetic number, because the mean of its divisors is an integer number (30228695818860).

Almost surely, 2^{820323343323028} is an apocalyptic number.

It is an amenable number.

820323343323028 is a deficient number, since it is larger than the sum of its proper divisors (630654055982252).

820323343323028 is a wasteful number, since it uses less digits than its factorization.

820323343323028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80968 (or 80966 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 46.

The spelling of 820323343323028 in words is "eight hundred twenty trillion, three hundred twenty-three billion, three hundred forty-three million, three hundred twenty-three thousand, twenty-eight".