2000181818208 has 96 divisors (see below), whose sum is σ = 6019475261184. Its totient is φ = 569677681152.

The previous prime is 2000181818207. The next prime is 2000181818227. The reversal of 2000181818208 is 8028181810002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000181818207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481710 + ... + 4907757.

It is an arithmetic number, because the mean of its divisors is an integer number (62702867304).

Almost surely, 2^{2000181818208} is an apocalyptic number.

2000181818208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2000181818208 is an abundant number, since it is smaller than the sum of its proper divisors (4019293442976).

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

2000181818208 is a wasteful number, since it uses less digits than its factorization.

2000181818208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389804 (or 9389796 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 39.

The spelling of 2000181818208 in words is "two trillion, one hundred eighty-one million, eight hundred eighteen thousand, two hundred eight".