203682781852 has 96 divisors (see below), whose sum is σ = 408216453120. Its totient is φ = 88022531520.

The previous prime is 203682781831. The next prime is 203682781957. The reversal of 203682781852 is 258187286302.

It is a self number, because there is not a number n which added to its sum of digits gives 203682781852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140761393 + ... + 140762839.

It is an arithmetic number, because the mean of its divisors is an integer number (4252254720).

Almost surely, 2^203682781852 is an apocalyptic number.

203682781852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203682781852 is an abundant number, since it is smaller than the sum of its proper divisors (204533671268).

203682781852 is a wasteful number, since it uses less digits than its factorization.

203682781852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 203682781852 in words is "two hundred three billion, six hundred eighty-two million, seven hundred eighty-one thousand, eight hundred fifty-two".