203004406242 has 48 divisors (see below), whose sum is σ = 490037738112. Its totient is φ = 60207622560.

The previous prime is 203004406217. The next prime is 203004406243. The reversal of 203004406242 is 242604400302.

203004406242 is a `hidden beast` number, since 2 + 0 + 30 + 0 + 4 + 4 + 0 + 624 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (203004406243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10897873 + ... + 10916484.

It is an arithmetic number, because the mean of its divisors is an integer number (10209119544).

Almost surely, 2^203004406242 is an apocalyptic number.

203004406242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203004406242 is an abundant number, since it is smaller than the sum of its proper divisors (287033331870).

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

203004406242 is a wasteful number, since it uses less digits than its factorization.

203004406242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814423 (or 21814420 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 203004406242 its reverse (242604400302), we get a palindrome (445608806544).

The spelling of 203004406242 in words is "two hundred three billion, four million, four hundred six thousand, two hundred forty-two".