2000100209985 has 40 divisors (see below), whose sum is σ = 3741250265280. Its totient is φ = 1020340971936.

The previous prime is 2000100209923. The next prime is 2000100210079. The reversal of 2000100209985 is 5899020010002.

It is not a de Polignac number, because 2000100209985 - 2¹² = 2000100205889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 107349795 + ... + 107368424.

It is an arithmetic number, because the mean of its divisors is an integer number (93531256632).

Almost surely, 2^{2000100209985} is an apocalyptic number.

It is an amenable number.

2000100209985 is a deficient number, since it is larger than the sum of its proper divisors (1741150055295).

2000100209985 is a wasteful number, since it uses less digits than its factorization.

2000100209985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214718259 (or 214718250 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

Adding to 2000100209985 its reverse (5899020010002), we get a palindrome (7899120219987).

The spelling of 2000100209985 in words is "two trillion, one hundred million, two hundred nine thousand, nine hundred eighty-five".