820041882 has 16 divisors (see below), whose sum is σ = 1789182432. Its totient is φ = 248497520.

The previous prime is 820041857. The next prime is 820041889. The reversal of 820041882 is 288140028.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (820041889) 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 7 ways as a sum of consecutive naturals, for example, 6212373 + ... + 6212504.

It is an arithmetic number, because the mean of its divisors is an integer number (111823902).

Almost surely, 2^820041882 is an apocalyptic number.

820041882 is an abundant number, since it is smaller than the sum of its proper divisors (969140550).

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

820041882 is a wasteful number, since it uses less digits than its factorization.

820041882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12424893.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 820041882 is about 28636.3734086563. The cubic root of 820041882 is about 936.0060974656.

It can be divided in two parts, 8200418 and 82, that multiplied together give a palindrome (672434276).

The spelling of 820041882 in words is "eight hundred twenty million, forty-one thousand, eight hundred eighty-two".