2103435220 has 48 divisors (see below), whose sum is σ = 4451122368. Its totient is φ = 834944000.

The previous prime is 2103435197. The next prime is 2103435247. The reversal of 2103435220 is 225343012.

It is a super-3 number, since 3×2103435220³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103435191 and 2103435200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771467 + ... + 1772653.

It is an arithmetic number, because the mean of its divisors is an integer number (92731716).

Almost surely, 2^2103435220 is an apocalyptic number.

2103435220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103435220 is an abundant number, since it is smaller than the sum of its proper divisors (2347687148).

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

2103435220 is a wasteful number, since it uses less digits than its factorization.

2103435220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2103435220 is about 45863.2229569619. Note that the first 3 decimals coincide. The cubic root of 2103435220 is about 1281.2770498513.

Adding to 2103435220 its reverse (225343012), we get a palindrome (2328778232).

The spelling of 2103435220 in words is "two billion, one hundred three million, four hundred thirty-five thousand, two hundred twenty".