82020844 has 12 divisors (see below), whose sum is σ = 145889968. Its totient is φ = 40338000.

The previous prime is 82020821. The next prime is 82020859. The reversal of 82020844 is 44802028.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167832 + ... + 168319.

Almost surely, 2^82020844 is an apocalyptic number.

It is an amenable number.

82020844 is a deficient number, since it is larger than the sum of its proper divisors (63869124).

82020844 is a wasteful number, since it uses less digits than its factorization.

82020844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336216 (or 336214 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 82020844 is about 9056.5359823721. The cubic root of 82020844 is about 434.4849569916.

The spelling of 82020844 in words is "eighty-two million, twenty thousand, eight hundred forty-four".