303240205420 has 12 divisors (see below), whose sum is σ = 636804431424. Its totient is φ = 121296082160.

The previous prime is 303240205417. The next prime is 303240205453. The reversal of 303240205420 is 24502042303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7581005116 + ... + 7581005155.

It is an arithmetic number, because the mean of its divisors is an integer number (53067035952).

Almost surely, 2^303240205420 is an apocalyptic number.

It is an amenable number.

303240205420 is an abundant number, since it is smaller than the sum of its proper divisors (333564226004).

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

303240205420 is a wasteful number, since it uses less digits than its factorization.

303240205420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15162010280 (or 15162010278 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 303240205420 its reverse (24502042303), we get a palindrome (327742247723).

The spelling of 303240205420 in words is "three hundred three billion, two hundred forty million, two hundred five thousand, four hundred twenty".