203203120311992 has 64 divisors (see below), whose sum is σ = 399185046374400. Its totient is φ = 96877583268480.

The previous prime is 203203120311943. The next prime is 203203120312021. The reversal of 203203120311992 is 299113021302302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9865184 + ... + 22443887.

It is an arithmetic number, because the mean of its divisors is an integer number (6237266349600).

Almost surely, 2^{203203120311992} is an apocalyptic number.

It is an amenable number.

203203120311992 is a deficient number, since it is larger than the sum of its proper divisors (195981926062408).

203203120311992 is a wasteful number, since it uses less digits than its factorization.

203203120311992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32309556 (or 32309552 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 203203120311992 in words is "two hundred three trillion, two hundred three billion, one hundred twenty million, three hundred eleven thousand, nine hundred ninety-two".