2103827700 has 144 divisors (see below), whose sum is σ = 6583953600. Its totient is φ = 515604480.

The previous prime is 2103827699. The next prime is 2103827717. The reversal of 2103827700 is 77283012.

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 47 ways as a sum of consecutive naturals, for example, 1001251 + ... + 1003349.

It is an arithmetic number, because the mean of its divisors is an integer number (45721900).

Almost surely, 2^2103827700 is an apocalyptic number.

2103827700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103827700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3291976800).

2103827700 is an abundant number, since it is smaller than the sum of its proper divisors (4480125900).

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

2103827700 is a wasteful number, since it uses less digits than its factorization.

2103827700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2103827700 is about 45867.5015670137. The cubic root of 2103827700 is about 1281.3567360614.

The spelling of 2103827700 in words is "two billion, one hundred three million, eight hundred twenty-seven thousand, seven hundred".