82020444 has 48 divisors (see below), whose sum is σ = 221066496. Its totient is φ = 23392000.

The previous prime is 82020409. The next prime is 82020457. The reversal of 82020444 is 44402028.

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, 16032 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (4605552).

Almost surely, 2^82020444 is an apocalyptic number.

It is an amenable number.

82020444 is an abundant number, since it is smaller than the sum of its proper divisors (139046052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82020444 is a wasteful number, since it uses less digits than its factorization.

82020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36586 (or 36584 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 82020444 is about 9056.5138988465. The cubic root of 82020444 is about 434.4842506904.

The spelling of 82020444 in words is "eighty-two million, twenty thousand, four hundred forty-four".