203030130020 has 12 divisors (see below), whose sum is σ = 426363273084. Its totient is φ = 81212052000.

The previous prime is 203030130013. The next prime is 203030130029. The reversal of 203030130020 is 20031030302.

It can be written as a sum of positive squares in 2 ways, for example, as 114698723584 + 88331406436 = 338672^2 + 297206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203030129977 and 203030130004.

It is not an unprimeable number, because it can be changed into a prime (203030130029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075753231 + ... + 5075753270.

It is an arithmetic number, because the mean of its divisors is an integer number (35530272757).

Almost surely, 2^203030130020 is an apocalyptic number.

203030130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203030130020 is an abundant number, since it is smaller than the sum of its proper divisors (223333143064).

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

203030130020 is a wasteful number, since it uses less digits than its factorization.

203030130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151506510 (or 10151506508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 203030130020 its reverse (20031030302), we get a palindrome (223061160322).

The spelling of 203030130020 in words is "two hundred three billion, thirty million, one hundred thirty thousand, twenty".