820034266 has 4 divisors (see below), whose sum is σ = 1230051402. Its totient is φ = 410017132.

The previous prime is 820034233. The next prime is 820034269. The reversal of 820034266 is 662430028.

820034266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 452200225 + 367834041 = 21265^2 + 19179^2 .

It is not an unprimeable number, because it can be changed into a prime (820034269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205008565 + ... + 205008568.

Almost surely, 2^820034266 is an apocalyptic number.

820034266 is a deficient number, since it is larger than the sum of its proper divisors (410017136).

820034266 is a wasteful number, since it uses less digits than its factorization.

820034266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410017135.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 820034266 is about 28636.2404306152. The cubic root of 820034266 is about 936.0031997906.

The spelling of 820034266 in words is "eight hundred twenty million, thirty-four thousand, two hundred sixty-six".