202040022424 has 16 divisors (see below), whose sum is σ = 379059053400. Its totient is φ = 100957608192.

The previous prime is 202040022421. The next prime is 202040022433. The reversal of 202040022424 is 424220040202.

It is a happy number.

It is a super-2 number, since 2×202040022424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202040022395 and 202040022404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202040022421) 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, 7786617 + ... + 7812520.

Almost surely, 2^202040022424 is an apocalyptic number.

It is an amenable number.

202040022424 is a deficient number, since it is larger than the sum of its proper divisors (177019030976).

202040022424 is a wasteful number, since it uses less digits than its factorization.

202040022424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15600762 (or 15600758 counting only the distinct ones).

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

Adding to 202040022424 its reverse (424220040202), we get a palindrome (626260062626).

The spelling of 202040022424 in words is "two hundred two billion, forty million, twenty-two thousand, four hundred twenty-four".