203310204220 has 24 divisors (see below), whose sum is σ = 433323841104. Its totient is φ = 80110288896.

The previous prime is 203310204203. The next prime is 203310204299. The reversal of 203310204220 is 22402013302.

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, 75860677 + ... + 75863356.

It is an arithmetic number, because the mean of its divisors is an integer number (18055160046).

Almost surely, 2^203310204220 is an apocalyptic number.

203310204220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203310204220 is an abundant number, since it is smaller than the sum of its proper divisors (230013636884).

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

203310204220 is a wasteful number, since it uses less digits than its factorization.

203310204220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151724109 (or 151724107 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 203310204220 its reverse (22402013302), we get a palindrome (225712217522).

The spelling of 203310204220 in words is "two hundred three billion, three hundred ten million, two hundred four thousand, two hundred twenty".