82020044 has 12 divisors (see below), whose sum is σ = 146243664. Its totient is φ = 40236144.

The previous prime is 82020031. The next prime is 82020061. The reversal of 82020044 is 44002028.

It is a junction number, because it is equal to n+sod(n) for n = 82019998 and 82020025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193232 + ... + 193655.

It is an arithmetic number, because the mean of its divisors is an integer number (12186972).

Almost surely, 2^82020044 is an apocalyptic number.

It is an amenable number.

82020044 is a deficient number, since it is larger than the sum of its proper divisors (64223620).

82020044 is a wasteful number, since it uses less digits than its factorization.

82020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386944 (or 386942 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 82020044 is about 9056.4918152671. The cubic root of 82020044 is about 434.4835443868.

The spelling of 82020044 in words is "eighty-two million, twenty thousand, forty-four".