202303424 has 42 divisors (see below), whose sum is σ = 409038552. Its totient is φ = 99254400.

The previous prime is 202303411. The next prime is 202303441. The reversal of 202303424 is 424303202.

It is a junction number, because it is equal to n+sod(n) for n = 202303396 and 202303405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 958679 + ... + 958889.

Almost surely, 2^202303424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204519276).

202303424 is an abundant number, since it is smaller than the sum of its proper divisors (206735128).

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

202303424 is an frugal number, since it uses more digits than its factorization.

202303424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 202303424 is about 14223.3408171217. The cubic root of 202303424 is about 587.0400676137.

Adding to 202303424 its reverse (424303202), we get a palindrome (626606626).

The spelling of 202303424 in words is "two hundred two million, three hundred three thousand, four hundred twenty-four".