820141194 has 16 divisors (see below), whose sum is σ = 1726613280. Its totient is φ = 258991920.

The previous prime is 820141187. The next prime is 820141207. The reversal of 820141194 is 491141028.

It is an unprimeable number.

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, 3596997 + ... + 3597224.

It is an arithmetic number, because the mean of its divisors is an integer number (107913330).

Almost surely, 2^820141194 is an apocalyptic number.

820141194 is an abundant number, since it is smaller than the sum of its proper divisors (906472086).

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

820141194 is a wasteful number, since it uses less digits than its factorization.

820141194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194245.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 820141194 is about 28638.1073746154. The cubic root of 820141194 is about 936.0438812615.

The spelling of 820141194 in words is "eight hundred twenty million, one hundred forty-one thousand, one hundred ninety-four".