820044326 has 16 divisors (see below), whose sum is σ = 1237757760. Its totient is φ = 407464680.

The previous prime is 820044319. The next prime is 820044331. The reversal of 820044326 is 623440028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429065 + ... + 430971.

It is an arithmetic number, because the mean of its divisors is an integer number (77359860).

Almost surely, 2^820044326 is an apocalyptic number.

820044326 is a deficient number, since it is larger than the sum of its proper divisors (417713434).

820044326 is a wasteful number, since it uses less digits than its factorization.

820044326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 820044326 is about 28636.4160816259. The cubic root of 820044326 is about 936.0070273354.

The spelling of 820044326 in words is "eight hundred twenty million, forty-four thousand, three hundred twenty-six".