820332182 has 32 divisors (see below), whose sum is σ = 1334642400. Its totient is φ = 376876800.

The previous prime is 820332179. The next prime is 820332197. The reversal of 820332182 is 281233028.

It is a super-2 number, since 2×820332182² = 1345889777649762248, which contains 22 as substring.

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, 280544 + ... + 283452.

It is an arithmetic number, because the mean of its divisors is an integer number (41707575).

Almost surely, 2^820332182 is an apocalyptic number.

820332182 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

820332182 is a deficient number, since it is larger than the sum of its proper divisors (514310218).

820332182 is a wasteful number, since it uses less digits than its factorization.

820332182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 820332182 is about 28641.4416885743. The cubic root of 820332182 is about 936.1165351227.

The spelling of 820332182 in words is "eight hundred twenty million, three hundred thirty-two thousand, one hundred eighty-two".