203021142424 has 32 divisors (see below), whose sum is σ = 383260763520. Its totient is φ = 100820618496.

The previous prime is 203021142407. The next prime is 203021142449. The reversal of 203021142424 is 424241120302.

It is a super-2 number, since 2×203021142424² (a number of 23 digits) contains 22 as substring.

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, 547257 + ... + 839959.

It is an arithmetic number, because the mean of its divisors is an integer number (11976898860).

Almost surely, 2^203021142424 is an apocalyptic number.

It is an amenable number.

203021142424 is a deficient number, since it is larger than the sum of its proper divisors (180239621096).

203021142424 is a wasteful number, since it uses less digits than its factorization.

203021142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293299 (or 293295 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 203021142424 its reverse (424241120302), we get a palindrome (627262262726).

The spelling of 203021142424 in words is "two hundred three billion, twenty-one million, one hundred forty-two thousand, four hundred twenty-four".