203850505000 has 40 divisors (see below), whose sum is σ = 477621744930. Its totient is φ = 81540200000.

The previous prime is 203850504947. The next prime is 203850505007. The reversal of 203850505000 is 505058302.

It can be written as a sum of positive squares in 5 ways, for example, as 15645506724 + 188204998276 = 125082^2 + 433826^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 203850505000.

It is not an unprimeable number, because it can be changed into a prime (203850505007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20380051 + ... + 20390050.

Almost surely, 2^203850505000 is an apocalyptic number.

203850505000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203850505000 is an abundant number, since it is smaller than the sum of its proper divisors (273771239930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203850505000 is an equidigital number, since it uses as much as digits as its factorization.

203850505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40770127 (or 40770108 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 203850505000 in words is "two hundred three billion, eight hundred fifty million, five hundred five thousand".