20424334224 has 80 divisors (see below), whose sum is σ = 60316691072. Its totient is φ = 5833949184.

The previous prime is 20424334181. The next prime is 20424334277. The reversal of 20424334224 is 42243342402.

It is a junction number, because it is equal to n+sod(n) for n = 20424334191 and 20424334200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894032 + ... + 1904784.

Almost surely, 2^20424334224 is an apocalyptic number.

20424334224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20424334224 is an abundant number, since it is smaller than the sum of its proper divisors (39892356848).

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

20424334224 is a wasteful number, since it uses less digits than its factorization.

20424334224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424 (or 16418 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20424334224 its reverse (42243342402), we get a palindrome (62667676626).

The spelling of 20424334224 in words is "twenty billion, four hundred twenty-four million, three hundred thirty-four thousand, two hundred twenty-four".