420203402424 has 48 divisors (see below), whose sum is σ = 1225593259800. Its totient is φ = 129293354304.

The previous prime is 420203402419. The next prime is 420203402459. The reversal of 420203402424 is 424204302024.

420203402424 is a `hidden beast` number, since 4 + 202 + 0 + 34 + 0 + 2 + 424 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224466694 + ... + 224468565.

Almost surely, 2^420203402424 is an apocalyptic number.

It is an amenable number.

420203402424 is an abundant number, since it is smaller than the sum of its proper divisors (805389857376).

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

420203402424 is a wasteful number, since it uses less digits than its factorization.

420203402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448935284 (or 448935277 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 420203402424 its reverse (424204302024), we get a palindrome (844407704448).

The spelling of 420203402424 in words is "four hundred twenty billion, two hundred three million, four hundred two thousand, four hundred twenty-four".