20016666700 has 18 divisors (see below), whose sum is σ = 43436166956. Its totient is φ = 8006666640.

The previous prime is 20016666689. The next prime is 20016666731. The reversal of 20016666700 is 766661002.

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 5 ways as a sum of consecutive naturals, for example, 100083234 + ... + 100083433.

Almost surely, 2^20016666700 is an apocalyptic number.

20016666700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20016666700 is an abundant number, since it is smaller than the sum of its proper divisors (23419500256).

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

20016666700 is a wasteful number, since it uses less digits than its factorization.

20016666700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200166681 (or 200166674 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 20016666700 in words is "twenty billion, sixteen million, six hundred sixty-six thousand, seven hundred".