203030130320 has 40 divisors (see below), whose sum is σ = 472072031736. Its totient is φ = 81207410688.

The previous prime is 203030130307. The next prime is 203030130323. The reversal of 203030130320 is 23031030302.

203030130320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2229350656 + 200800779664 = 47216^2 + 448108^2 .

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

It is not an unprimeable number, because it can be changed into a prime (203030130323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565894 + ... + 1690586.

Almost surely, 2^203030130320 is an apocalyptic number.

203030130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203030130320 is an abundant number, since it is smaller than the sum of its proper divisors (269041901416).

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

203030130320 is a wasteful number, since it uses less digits than its factorization.

203030130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145059 (or 145053 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 203030130320 its reverse (23031030302), we get a palindrome (226061160622).

The spelling of 203030130320 in words is "two hundred three billion, thirty million, one hundred thirty thousand, three hundred twenty".