202002042424 has 32 divisors (see below), whose sum is σ = 466158561120. Its totient is φ = 79912895616.

The previous prime is 202002042421. The next prime is 202002042439. The reversal of 202002042424 is 424240200202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202002042395 and 202002042404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002042421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138736939 + ... + 138738394.

It is an arithmetic number, because the mean of its divisors is an integer number (14567455035).

Almost surely, 2^202002042424 is an apocalyptic number.

It is an amenable number.

202002042424 is an abundant number, since it is smaller than the sum of its proper divisors (264156518696).

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

202002042424 is a wasteful number, since it uses less digits than its factorization.

202002042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277475359 (or 277475355 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202002042424 its reverse (424240200202), we get a palindrome (626242242626).

The spelling of 202002042424 in words is "two hundred two billion, two million, forty-two thousand, four hundred twenty-four".