2081786200 has 48 divisors (see below), whose sum is σ = 5212478880. Its totient is φ = 768658560.

The previous prime is 2081786191. The next prime is 2081786207. The reversal of 2081786200 is 26871802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081786207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397744 + ... + 402943.

It is an arithmetic number, because the mean of its divisors is an integer number (108593310).

Almost surely, 2^2081786200 is an apocalyptic number.

2081786200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081786200 is an abundant number, since it is smaller than the sum of its proper divisors (3130692680).

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

2081786200 is a wasteful number, since it uses less digits than its factorization.

2081786200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800716 (or 800707 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 2081786200 is about 45626.5953145750. The cubic root of 2081786200 is about 1276.8661535977.

The spelling of 2081786200 in words is "two billion, eighty-one million, seven hundred eighty-six thousand, two hundred".