203980642071 has 8 divisors (see below), whose sum is σ = 272059701744. Its totient is φ = 135944338560.

The previous prime is 203980642057. The next prime is 203980642091. The reversal of 203980642071 is 170246089302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203980642071 - 2⁵ = 203980642039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203980642031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10677906 + ... + 10696991.

It is an arithmetic number, because the mean of its divisors is an integer number (34007462718).

Almost surely, 2^203980642071 is an apocalyptic number.

203980642071 is a deficient number, since it is larger than the sum of its proper divisors (68079059673).

203980642071 is a wasteful number, since it uses less digits than its factorization.

203980642071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21378081.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 203980642071 in words is "two hundred three billion, nine hundred eighty million, six hundred forty-two thousand, seventy-one".