203434442004 has 12 divisors (see below), whose sum is σ = 474680364704. Its totient is φ = 67811480664.

The previous prime is 203434441999. The next prime is 203434442023. The reversal of 203434442004 is 400244434302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8476435072 + ... + 8476435095.

Almost surely, 2^203434442004 is an apocalyptic number.

It is an amenable number.

203434442004 is an abundant number, since it is smaller than the sum of its proper divisors (271245922700).

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

203434442004 is a wasteful number, since it uses less digits than its factorization.

203434442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16952870174 (or 16952870172 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 203434442004 its reverse (400244434302), we get a palindrome (603678876306).

The spelling of 203434442004 in words is "two hundred three billion, four hundred thirty-four million, four hundred forty-two thousand, four".