2061808700 has 36 divisors (see below), whose sum is σ = 5113287312. Its totient is φ = 706905600.

The previous prime is 2061808699. The next prime is 2061808733. The reversal of 2061808700 is 78081602.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1472021 + ... + 1473420.

Almost surely, 2^2061808700 is an apocalyptic number.

2061808700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061808700 is an abundant number, since it is smaller than the sum of its proper divisors (3051478612).

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

2061808700 is a wasteful number, since it uses less digits than its factorization.

2061808700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945462 (or 2945455 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2061808700 is about 45407.1437110946. The cubic root of 2061808700 is about 1272.7686102375.

The spelling of 2061808700 in words is "two billion, sixty-one million, eight hundred eight thousand, seven hundred".