203201310120 has 32 divisors (see below), whose sum is σ = 609603930720. Its totient is φ = 54187016000.

The previous prime is 203201310119. The next prime is 203201310121. The reversal of 203201310120 is 21013102302.

It is an interprime number because it is at equal distance from previous prime (203201310119) and next prime (203201310121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 203201310120.

It is not an unprimeable number, because it can be changed into a prime (203201310121) 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, 846672006 + ... + 846672245.

It is an arithmetic number, because the mean of its divisors is an integer number (19050122835).

Almost surely, 2^203201310120 is an apocalyptic number.

203201310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203201310120 is an abundant number, since it is smaller than the sum of its proper divisors (406402620600).

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

203201310120 is a wasteful number, since it uses less digits than its factorization.

203201310120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693344265 (or 1693344261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203201310120 its reverse (21013102302), we get a palindrome (224214412422).

The spelling of 203201310120 in words is "two hundred three billion, two hundred one million, three hundred ten thousand, one hundred twenty".