203132310220 has 24 divisors (see below), whose sum is σ = 487517544864. Its totient is φ = 69645363456.

The previous prime is 203132310203. The next prime is 203132310221. The reversal of 203132310220 is 22013231302.

203132310220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203132310221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725472397 + ... + 725472676.

It is an arithmetic number, because the mean of its divisors is an integer number (20313231036).

Almost surely, 2^203132310220 is an apocalyptic number.

203132310220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203132310220 is an abundant number, since it is smaller than the sum of its proper divisors (284385234644).

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

203132310220 is a wasteful number, since it uses less digits than its factorization.

203132310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450945089 (or 1450945087 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203132310220 its reverse (22013231302), we get a palindrome (225145541522).

The spelling of 203132310220 in words is "two hundred three billion, one hundred thirty-two million, three hundred ten thousand, two hundred twenty".