20404241424 has 60 divisors (see below), whose sum is σ = 65261188096. Its totient is φ = 5829782976.

The previous prime is 20404241401. The next prime is 20404241437. The reversal of 20404241424 is 42414240402.

20404241424 is a `hidden beast` number, since 204 + 0 + 42 + 414 + 2 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10120144 + ... + 10122159.

Almost surely, 2^20404241424 is an apocalyptic number.

20404241424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20404241424 is an abundant number, since it is smaller than the sum of its proper divisors (44856946672).

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

20404241424 is a wasteful number, since it uses less digits than its factorization.

20404241424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242324 (or 20242315 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 20404241424 its reverse (42414240402), we get a palindrome (62818481826).

The spelling of 20404241424 in words is "twenty billion, four hundred four million, two hundred forty-one thousand, four hundred twenty-four".