202642424 has 16 divisors (see below), whose sum is σ = 380121720. Its totient is φ = 101276640.

The previous prime is 202642423. The next prime is 202642439. The reversal of 202642424 is 424246202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202642393 and 202642402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202642421) 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, 21467 + ... + 29429.

Almost surely, 2^202642424 is an apocalyptic number.

It is an amenable number.

202642424 is a deficient number, since it is larger than the sum of its proper divisors (177479296).

202642424 is a wasteful number, since it uses less digits than its factorization.

202642424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11150 (or 11146 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 202642424 is about 14235.2528604166. The cubic root of 202642424 is about 587.3677857905.

Adding to 202642424 its reverse (424246202), we get a palindrome (626888626).

The spelling of 202642424 in words is "two hundred two million, six hundred forty-two thousand, four hundred twenty-four".