203013021224 has 64 divisors (see below), whose sum is σ = 411329318400. Its totient is φ = 93379055616.

The previous prime is 203013021179. The next prime is 203013021313. The reversal of 203013021224 is 422120310302.

It is a junction number, because it is equal to n+sod(n) for n = 203013021196 and 203013021205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47331272 + ... + 47335560.

It is an arithmetic number, because the mean of its divisors is an integer number (6427020600).

Almost surely, 2^203013021224 is an apocalyptic number.

It is an amenable number.

203013021224 is an abundant number, since it is smaller than the sum of its proper divisors (208316297176).

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

203013021224 is a wasteful number, since it uses less digits than its factorization.

203013021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5754 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203013021224 its reverse (422120310302), we get a palindrome (625133331526).

The spelling of 203013021224 in words is "two hundred three billion, thirteen million, twenty-one thousand, two hundred twenty-four".