203420300324 has 24 divisors (see below), whose sum is σ = 375484855200. Its totient is φ = 96160720320.

The previous prime is 203420300297. The next prime is 203420300333. The reversal of 203420300324 is 423003024302.

It is a self number, because there is not a number n which added to its sum of digits gives 203420300324.

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, 2688329 + ... + 2762960.

It is an arithmetic number, because the mean of its divisors is an integer number (15645202300).

Almost surely, 2^203420300324 is an apocalyptic number.

It is an amenable number.

203420300324 is a deficient number, since it is larger than the sum of its proper divisors (172064554876).

203420300324 is a wasteful number, since it uses less digits than its factorization.

203420300324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451803 (or 5451801 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 203420300324 its reverse (423003024302), we get a palindrome (626423324626).

The spelling of 203420300324 in words is "two hundred three billion, four hundred twenty million, three hundred thousand, three hundred twenty-four".