203023101220 has 24 divisors (see below), whose sum is σ = 448787908800. Its totient is φ = 76935069792.

The previous prime is 203023101161. The next prime is 203023101233. The reversal of 203023101220 is 22101320302.

203023101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203023101194 and 203023101203.

It is an unprimeable number.

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, 267135280 + ... + 267136039.

It is an arithmetic number, because the mean of its divisors is an integer number (18699496200).

Almost surely, 2^203023101220 is an apocalyptic number.

203023101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203023101220 is an abundant number, since it is smaller than the sum of its proper divisors (245764807580).

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

203023101220 is a wasteful number, since it uses less digits than its factorization.

203023101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534271347 (or 534271345 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203023101220 its reverse (22101320302), we get a palindrome (225124421522).

The spelling of 203023101220 in words is "two hundred three billion, twenty-three million, one hundred one thousand, two hundred twenty".