203004320120 has 32 divisors (see below), whose sum is σ = 522011109600. Its totient is φ = 69601481088.

The previous prime is 203004320117. The next prime is 203004320131. The reversal of 203004320120 is 21023400302.

It is a congruent number.

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, 362507435 + ... + 362507994.

It is an arithmetic number, because the mean of its divisors is an integer number (16312847175).

Almost surely, 2^203004320120 is an apocalyptic number.

203004320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203004320120 is an abundant number, since it is smaller than the sum of its proper divisors (319006789480).

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

203004320120 is a wasteful number, since it uses less digits than its factorization.

203004320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725015447 (or 725015443 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203004320120 its reverse (21023400302), we get a palindrome (224027720422).

The spelling of 203004320120 in words is "two hundred three billion, four million, three hundred twenty thousand, one hundred twenty".