202421202424 has 32 divisors (see below), whose sum is σ = 456589180800. Its totient is φ = 82186051680.

The previous prime is 202421202409. The next prime is 202421202439. The reversal of 202421202424 is 424202124202.

It is an interprime number because it is at equal distance from previous prime (202421202409) and next prime (202421202439).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95121682 + ... + 95123809.

It is an arithmetic number, because the mean of its divisors is an integer number (14268411900).

Almost surely, 2^202421202424 is an apocalyptic number.

It is an amenable number.

202421202424 is an abundant number, since it is smaller than the sum of its proper divisors (254167978376).

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

202421202424 is a wasteful number, since it uses less digits than its factorization.

202421202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190245523 (or 190245519 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 202421202424 its reverse (424202124202), we get a palindrome (626623326626).

The spelling of 202421202424 in words is "two hundred two billion, four hundred twenty-one million, two hundred two thousand, four hundred twenty-four".