203130020000 has 120 divisors (see below), whose sum is σ = 521458904736. Its totient is φ = 77719136000.

The previous prime is 203130019927. The next prime is 203130020003. The reversal of 203130020000 is 20031302.

It is not an unprimeable number, because it can be changed into a prime (203130020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 239207 + ... + 680793.

Almost surely, 2^203130020000 is an apocalyptic number.

203130020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203130020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260729452368).

203130020000 is an abundant number, since it is smaller than the sum of its proper divisors (318328884736).

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

203130020000 is an equidigital number, since it uses as much as digits as its factorization.

203130020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441640 (or 441617 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 203130020000 its reverse (20031302), we get a palindrome (203150051302).

The spelling of 203130020000 in words is "two hundred three billion, one hundred thirty million, twenty thousand".