2081903700 has 36 divisors (see below), whose sum is σ = 6023642240. Its totient is φ = 555174240.

The previous prime is 2081903647. The next prime is 2081903731. The reversal of 2081903700 is 73091802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3469540 + ... + 3470139.

Almost surely, 2^2081903700 is an apocalyptic number.

2081903700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081903700 is an abundant number, since it is smaller than the sum of its proper divisors (3941738540).

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

2081903700 is a wasteful number, since it uses less digits than its factorization.

2081903700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939696 (or 6939689 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2081903700 is about 45627.8829226165. The cubic root of 2081903700 is about 1276.8901760694.

The spelling of 2081903700 in words is "two billion, eighty-one million, nine hundred three thousand, seven hundred".