203130223120 has 80 divisors (see below), whose sum is σ = 517033282752. Its totient is φ = 73604436480.

The previous prime is 203130223091. The next prime is 203130223141. The reversal of 203130223120 is 21322031302.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158787 + ... + 656866.

Almost surely, 2^203130223120 is an apocalyptic number.

203130223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203130223120 is an abundant number, since it is smaller than the sum of its proper divisors (313903059632).

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

203130223120 is a wasteful number, since it uses less digits than its factorization.

203130223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815960 (or 815954 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203130223120 its reverse (21322031302), we get a palindrome (224452254422).

The spelling of 203130223120 in words is "two hundred three billion, one hundred thirty million, two hundred twenty-three thousand, one hundred twenty".