2103435120 has 80 divisors (see below), whose sum is σ = 6541715232. Its totient is φ = 559104000.

The previous prime is 2103435097. The next prime is 2103435121. The reversal of 2103435120 is 215343012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103435121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61120 + ... + 89120.

Almost surely, 2^2103435120 is an apocalyptic number.

2103435120 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 2103435120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270857616).

2103435120 is an abundant number, since it is smaller than the sum of its proper divisors (4438280112).

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

2103435120 is a wasteful number, since it uses less digits than its factorization.

2103435120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28330 (or 28324 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2103435120 is about 45863.2218667638. The cubic root of 2103435120 is about 1281.2770295468.

Adding to 2103435120 its reverse (215343012), we get a palindrome (2318778132).

The spelling of 2103435120 in words is "two billion, one hundred three million, four hundred thirty-five thousand, one hundred twenty".