202320424 has 16 divisors (see below), whose sum is σ = 380982420. Its totient is φ = 100725120.

The previous prime is 202320421. The next prime is 202320457. The reversal of 202320424 is 424023202.

It can be written as a sum of positive squares in 2 ways, for example, as 201356100 + 964324 = 14190^2 + 982^2 .

It is not an unprimeable number, because it can be changed into a prime (202320421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52407 + ... + 56134.

Almost surely, 2^202320424 is an apocalyptic number.

It is an amenable number.

202320424 is a deficient number, since it is larger than the sum of its proper divisors (178661996).

202320424 is a wasteful number, since it uses less digits than its factorization.

202320424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108780 (or 108776 counting only the distinct ones).

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

The square root of 202320424 is about 14223.9384138149. The cubic root of 202320424 is about 587.0565105742.

Adding to 202320424 its reverse (424023202), we get a palindrome (626343626).

The spelling of 202320424 in words is "two hundred two million, three hundred twenty thousand, four hundred twenty-four".