203020230020 has 24 divisors (see below), whose sum is σ = 431132851800. Its totient is φ = 80295640832.

The previous prime is 203020230013. The next prime is 203020230043. The reversal of 203020230020 is 20032020302.

It can be written as a sum of positive squares in 4 ways, for example, as 3659766016 + 199360464004 = 60496^2 + 446498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203020229977 and 203020230004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57026375 + ... + 57029934.

It is an arithmetic number, because the mean of its divisors is an integer number (17963868825).

Almost surely, 2^203020230020 is an apocalyptic number.

203020230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203020230020 is an abundant number, since it is smaller than the sum of its proper divisors (228112621780).

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

203020230020 is a wasteful number, since it uses less digits than its factorization.

203020230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114056407 (or 114056405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 203020230020 its reverse (20032020302), we get a palindrome (223052250322).

The spelling of 203020230020 in words is "two hundred three billion, twenty million, two hundred thirty thousand, twenty".