2103103433420 has 48 divisors (see below), whose sum is σ = 4818430084608. Its totient is φ = 764699597760.

The previous prime is 2103103433401. The next prime is 2103103433447. The reversal of 2103103433420 is 243343013012.

It is a self number, because there is not a number n which added to its sum of digits gives 2103103433420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213039 + ... + 3017241.

It is an arithmetic number, because the mean of its divisors is an integer number (100383960096).

Almost surely, 2^{2103103433420} is an apocalyptic number.

2103103433420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103103433420 is an abundant number, since it is smaller than the sum of its proper divisors (2715326651188).

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

2103103433420 is a wasteful number, since it uses less digits than its factorization.

2103103433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816110 (or 816108 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2103103433420 its reverse (243343013012), we get a palindrome (2346446446432).

The spelling of 2103103433420 in words is "two trillion, one hundred three billion, one hundred three million, four hundred thirty-three thousand, four hundred twenty".