20032866850 has 12 divisors (see below), whose sum is σ = 37261132434. Its totient is φ = 8013146720.

The previous prime is 20032866817. The next prime is 20032866857. The reversal of 20032866850 is 5866823002.

It can be written as a sum of positive squares in 3 ways, for example, as 11178621441 + 8854245409 = 105729^2 + 94097^2 .

It is not an unprimeable number, because it can be changed into a prime (20032866857) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 200328619 + ... + 200328718.

Almost surely, 2^20032866850 is an apocalyptic number.

20032866850 is a deficient number, since it is larger than the sum of its proper divisors (17228265584).

20032866850 is a wasteful number, since it uses less digits than its factorization.

20032866850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400657349 (or 400657344 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 20032866850 in words is "twenty billion, thirty-two million, eight hundred sixty-six thousand, eight hundred fifty".