203140781284 has 24 divisors (see below), whose sum is σ = 407717202368. Its totient is φ = 86752697760.

The previous prime is 203140781269. The next prime is 203140781287. The reversal of 203140781284 is 482187041302.

It is not an unprimeable number, because it can be changed into a prime (203140781287) by changing a digit.

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, 12810147 + ... + 12825994.

Almost surely, 2^203140781284 is an apocalyptic number.

It is an amenable number.

203140781284 is an abundant number, since it is smaller than the sum of its proper divisors (204576421084).

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

203140781284 is a wasteful number, since it uses less digits than its factorization.

203140781284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25636435 (or 25636433 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 203140781284 in words is "two hundred three billion, one hundred forty million, seven hundred eighty-one thousand, two hundred eighty-four".