820550082 has 32 divisors (see below), whose sum is σ = 1803191040. Its totient is φ = 246859920.

The previous prime is 820550077. The next prime is 820550083. The reversal of 820550082 is 280055028.

It is not an unprimeable number, because it can be changed into a prime (820550083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35548 + ... + 53895.

It is an arithmetic number, because the mean of its divisors is an integer number (56349720).

Almost surely, 2^820550082 is an apocalyptic number.

820550082 is an abundant number, since it is smaller than the sum of its proper divisors (982640958).

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

820550082 is a wasteful number, since it uses less digits than its factorization.

820550082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89598.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 820550082 is about 28645.2453646325. The cubic root of 820550082 is about 936.1994128233.

The spelling of 820550082 in words is "eight hundred twenty million, five hundred fifty thousand, eighty-two".