2003420305305 has 48 divisors (see below), whose sum is σ = 3477041717760. Its totient is φ = 1067123451264.

The previous prime is 2003420305303. The next prime is 2003420305331. The reversal of 2003420305305 is 5035030243002.

2003420305305 is a `hidden beast` number, since 2 + 0 + 0 + 34 + 20 + 305 + 305 = 666.

It is not a de Polignac number, because 2003420305305 - 2¹ = 2003420305303 is a prime.

It is a super-2 number, since 2×2003420305305² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003420305303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170020444 + ... + 170032226.

It is an arithmetic number, because the mean of its divisors is an integer number (72438369120).

Almost surely, 2^{2003420305305} is an apocalyptic number.

It is an amenable number.

2003420305305 is a deficient number, since it is larger than the sum of its proper divisors (1473621412455).

2003420305305 is a wasteful number, since it uses less digits than its factorization.

2003420305305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310 (or 16307 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 2003420305305 its reverse (5035030243002), we get a palindrome (7038450548307).

The spelling of 2003420305305 in words is "two trillion, three billion, four hundred twenty million, three hundred five thousand, three hundred five".