2103900980 has 24 divisors (see below), whose sum is σ = 4490624040. Its totient is φ = 827763840.

The previous prime is 2103900973. The next prime is 2103901021. The reversal of 2103900980 is 890093012.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 2103873424 = 166^2 + 45868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861035 + ... + 863474.

It is an arithmetic number, because the mean of its divisors is an integer number (187109335).

Almost surely, 2^2103900980 is an apocalyptic number.

2103900980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103900980 is an abundant number, since it is smaller than the sum of its proper divisors (2386723060).

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

2103900980 is a wasteful number, since it uses less digits than its factorization.

2103900980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724579 (or 1724577 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2103900980 is about 45868.3003827262. The cubic root of 2103900980 is about 1281.3716131877.

Adding to 2103900980 its reverse (890093012), we get a palindrome (2993993992).

The spelling of 2103900980 in words is "two billion, one hundred three million, nine hundred thousand, nine hundred eighty".