203310420252 has 12 divisors (see below), whose sum is σ = 474390980616. Its totient is φ = 67770140080.

The previous prime is 203310420239. The next prime is 203310420253. The reversal of 203310420252 is 252024013302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203310420253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8471267499 + ... + 8471267522.

It is an arithmetic number, because the mean of its divisors is an integer number (39532581718).

Almost surely, 2^203310420252 is an apocalyptic number.

It is an amenable number.

203310420252 is an abundant number, since it is smaller than the sum of its proper divisors (271080560364).

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

203310420252 is a wasteful number, since it uses less digits than its factorization.

203310420252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942535028 (or 16942535026 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 203310420252 its reverse (252024013302), we get a palindrome (455334433554).

The spelling of 203310420252 in words is "two hundred three billion, three hundred ten million, four hundred twenty thousand, two hundred fifty-two".