203381072006 has 32 divisors (see below), whose sum is σ = 360708768000. Its totient is φ = 84149991072.

The previous prime is 203381071937. The next prime is 203381072021. The reversal of 203381072006 is 600270183302.

It is a happy number.

203381072006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7318085 + ... + 7345823.

It is an arithmetic number, because the mean of its divisors is an integer number (11272149000).

Almost surely, 2^203381072006 is an apocalyptic number.

203381072006 is a deficient number, since it is larger than the sum of its proper divisors (157327695994).

203381072006 is a wasteful number, since it uses less digits than its factorization.

203381072006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45836.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 203381072006 in words is "two hundred three billion, three hundred eighty-one million, seventy-two thousand, six".