20852330266 has 8 divisors (see below), whose sum is σ = 31440560724. Its totient is φ = 10372143360.

The previous prime is 20852330249. The next prime is 20852330281. The reversal of 20852330266 is 66203325802.

It can be written as a sum of positive squares in 2 ways, for example, as 20156900625 + 695429641 = 141975^2 + 26371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27010405 + ... + 27011176.

Almost surely, 2^20852330266 is an apocalyptic number.

20852330266 is a deficient number, since it is larger than the sum of its proper divisors (10588230458).

20852330266 is a wasteful number, since it uses less digits than its factorization.

20852330266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54021776.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 20852330266 in words is "twenty billion, eight hundred fifty-two million, three hundred thirty thousand, two hundred sixty-six".