203000304140 has 24 divisors (see below), whose sum is σ = 444835450080. Its totient is φ = 77669681408.

The previous prime is 203000304121. The next prime is 203000304173. The reversal of 203000304140 is 41403000302.

It is a super-2 number, since 2×203000304140² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 220652045 + ... + 220652964.

It is an arithmetic number, because the mean of its divisors is an integer number (18534810420).

Almost surely, 2^203000304140 is an apocalyptic number.

203000304140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203000304140 is an abundant number, since it is smaller than the sum of its proper divisors (241835145940).

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

203000304140 is a wasteful number, since it uses less digits than its factorization.

203000304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441305041 (or 441305039 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203000304140 its reverse (41403000302), we get a palindrome (244403304442).

The spelling of 203000304140 in words is "two hundred three billion, three hundred four thousand, one hundred forty".