20000684066 has 8 divisors (see below), whose sum is σ = 32728392144. Its totient is φ = 9091220020.

The previous prime is 20000684047. The next prime is 20000684089. The reversal of 20000684066 is 66048600002.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454560980 + ... + 454561023.

It is an arithmetic number, because the mean of its divisors is an integer number (4091049018).

Almost surely, 2^20000684066 is an apocalyptic number.

20000684066 is a deficient number, since it is larger than the sum of its proper divisors (12727708078).

20000684066 is a wasteful number, since it uses less digits than its factorization.

20000684066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909122016.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20000684066 in words is "twenty billion, six hundred eighty-four thousand, sixty-six".