203355040208 has 10 divisors (see below), whose sum is σ = 394000390434. Its totient is φ = 101677520096.

The previous prime is 203355040171. The next prime is 203355040219. The reversal of 203355040208 is 802040553302.

It can be written as a sum of positive squares in only one way, i.e., 199462278544 + 3892761664 = 446612^2 + 62392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354844991 + ... + 6354845022.

Almost surely, 2^203355040208 is an apocalyptic number.

It is an amenable number.

203355040208 is a deficient number, since it is larger than the sum of its proper divisors (190645350226).

203355040208 is a wasteful number, since it uses less digits than its factorization.

203355040208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12709690021 (or 12709690015 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 203355040208 in words is "two hundred three billion, three hundred fifty-five million, forty thousand, two hundred eight".