203424220 has 12 divisors (see below), whose sum is σ = 427190904. Its totient is φ = 81369680.

The previous prime is 203424217. The next prime is 203424233. The reversal of 203424220 is 22424302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5085586 + ... + 5085625.

It is an arithmetic number, because the mean of its divisors is an integer number (35599242).

Almost surely, 2^203424220 is an apocalyptic number.

203424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203424220 is an abundant number, since it is smaller than the sum of its proper divisors (223766684).

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

203424220 is a wasteful number, since it uses less digits than its factorization.

203424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171220 (or 10171218 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 203424220 is about 14262.6862827449. The cubic root of 203424220 is about 588.1221729259.

Adding to 203424220 its reverse (22424302), we get a palindrome (225848522).

The spelling of 203424220 in words is "two hundred three million, four hundred twenty-four thousand, two hundred twenty".