820134682 has 16 divisors (see below), whose sum is σ = 1242743040. Its totient is φ = 405908352.

The previous prime is 820134673. The next prime is 820134727. The reversal of 820134682 is 286431028.

It is a super-2 number, since 2×820134682² = 1345241793238482248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74698 + ... + 84970.

It is an arithmetic number, because the mean of its divisors is an integer number (77671440).

Almost surely, 2^820134682 is an apocalyptic number.

820134682 is a deficient number, since it is larger than the sum of its proper divisors (422608358).

820134682 is a wasteful number, since it uses less digits than its factorization.

820134682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 820134682 is about 28637.9936797255. The cubic root of 820134682 is about 936.0414038287.

The spelling of 820134682 in words is "eight hundred twenty million, one hundred thirty-four thousand, six hundred eighty-two".