82020044447 has 18 divisors (see below), whose sum is σ = 94244511816. Its totient is φ = 71321722120.

The previous prime is 82020044441. The next prime is 82020044461. The reversal of 82020044447 is 74444002028.

It is not a de Polignac number, because 82020044447 - 2⁶ = 82020044383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82020044441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 576683 + ... + 704700.

It is an arithmetic number, because the mean of its divisors is an integer number (5235806212).

Almost surely, 2^82020044447 is an apocalyptic number.

82020044447 is a deficient number, since it is larger than the sum of its proper divisors (12224467369).

82020044447 is a wasteful number, since it uses less digits than its factorization.

82020044447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281451 (or 1281417 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 35.

The spelling of 82020044447 in words is "eighty-two billion, twenty million, forty-four thousand, four hundred forty-seven".