203042432330 has 48 divisors (see below), whose sum is σ = 388395219456. Its totient is φ = 76408869120.

The previous prime is 203042432321. The next prime is 203042432357. The reversal of 203042432330 is 33234240302.

It is a self number, because there is not a number n which added to its sum of digits gives 203042432330.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7983935 + ... + 8009325.

It is an arithmetic number, because the mean of its divisors is an integer number (8091567072).

Almost surely, 2^203042432330 is an apocalyptic number.

203042432330 is a deficient number, since it is larger than the sum of its proper divisors (185352787126).

203042432330 is a wasteful number, since it uses less digits than its factorization.

203042432330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28199 (or 28182 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 203042432330 its reverse (33234240302), we get a palindrome (236276672632).

The spelling of 203042432330 in words is "two hundred three billion, forty-two million, four hundred thirty-two thousand, three hundred thirty".