203252303424 has 56 divisors (see below), whose sum is σ = 539501047488. Its totient is φ = 67532899840.

The previous prime is 203252303363. The next prime is 203252303437. The reversal of 203252303424 is 424303252302.

It is a happy number.

It is a super-2 number, since 2×203252303424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203252303391 and 203252303400.

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, 1642227 + ... + 1761650.

Almost surely, 2^203252303424 is an apocalyptic number.

203252303424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203252303424 is an abundant number, since it is smaller than the sum of its proper divisors (336248744064).

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

203252303424 is a wasteful number, since it uses less digits than its factorization.

203252303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404203 (or 3404193 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 203252303424 its reverse (424303252302), we get a palindrome (627555555726).

The spelling of 203252303424 in words is "two hundred three billion, two hundred fifty-two million, three hundred three thousand, four hundred twenty-four".