2081983100 has 36 divisors (see below), whose sum is σ = 4603158504. Its totient is φ = 817078080.

The previous prime is 2081983063. The next prime is 2081983129. The reversal of 2081983100 is 13891802.

It is a super-2 number, since 2×2081983100² = 8669307257371220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191114 + ... + 201713.

It is an arithmetic number, because the mean of its divisors is an integer number (127865514).

Almost surely, 2^2081983100 is an apocalyptic number.

2081983100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081983100 is an abundant number, since it is smaller than the sum of its proper divisors (2521175404).

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

2081983100 is a wasteful number, since it uses less digits than its factorization.

2081983100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392894 (or 392887 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 2081983100 is about 45628.7529963290. The cubic root of 2081983100 is about 1276.9064086152.

The spelling of 2081983100 in words is "two billion, eighty-one million, nine hundred eighty-three thousand, one hundred".