203030124450 has 48 divisors (see below), whose sum is σ = 512048878560. Its totient is φ = 53223713920.

The previous prime is 203030124439. The next prime is 203030124461. The reversal of 203030124450 is 54421030302.

It is an interprime number because it is at equal distance from previous prime (203030124439) and next prime (203030124461).

It is a self number, because there is not a number n which added to its sum of digits gives 203030124450.

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, 11461779 + ... + 11479478.

It is an arithmetic number, because the mean of its divisors is an integer number (10667684970).

Almost surely, 2^203030124450 is an apocalyptic number.

203030124450 is an abundant number, since it is smaller than the sum of its proper divisors (309018754110).

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

203030124450 is a wasteful number, since it uses less digits than its factorization.

203030124450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22941331 (or 22941326 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 203030124450 its reverse (54421030302), we get a palindrome (257451154752).

The spelling of 203030124450 in words is "two hundred three billion, thirty million, one hundred twenty-four thousand, four hundred fifty".