820076 has 6 divisors (see below), whose sum is σ = 1435140. Its totient is φ = 410036.

The previous prime is 820073. The next prime is 820093. The reversal of 820076 is 670028.

It is not an unprimeable number, because it can be changed into a prime (820073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102506 + ... + 102513.

It is an arithmetic number, because the mean of its divisors is an integer number (239190).

2⁸²⁰⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

820076 is a deficient number, since it is larger than the sum of its proper divisors (615064).

820076 is a wasteful number, since it uses less digits than its factorization.

820076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205023 (or 205021 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 820076 is about 905.5804768214. The cubic root of 820076 is about 93.6019078190.

The spelling of 820076 in words is "eight hundred twenty thousand, seventy-six".