203210130320 has 20 divisors (see below), whose sum is σ = 472463553180. Its totient is φ = 81284052096.

The previous prime is 203210130313. The next prime is 203210130337. The reversal of 203210130320 is 23031012302.

It can be written as a sum of positive squares in 2 ways, for example, as 53623738624 + 149586391696 = 231568^2 + 386764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270063235 + ... + 1270063394.

It is an arithmetic number, because the mean of its divisors is an integer number (23623177659).

Almost surely, 2^203210130320 is an apocalyptic number.

203210130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203210130320 is an abundant number, since it is smaller than the sum of its proper divisors (269253422860).

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

203210130320 is a wasteful number, since it uses less digits than its factorization.

203210130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540126642 (or 2540126636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203210130320 its reverse (23031012302), we get a palindrome (226241142622).

The spelling of 203210130320 in words is "two hundred three billion, two hundred ten million, one hundred thirty thousand, three hundred twenty".