20424303234 has 48 divisors (see below), whose sum is σ = 46873621080. Its totient is φ = 6405181440.

The previous prime is 20424303233. The next prime is 20424303241. The reversal of 20424303234 is 43230342402.

20424303234 is a `hidden beast` number, since 2 + 0 + 424 + 3 + 0 + 3 + 234 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8046628209 + 12377675025 = 89703^2 + 111255^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20424303198 and 20424303207.

It is not an unprimeable number, because it can be changed into a prime (20424303233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 897274 + ... + 919754.

Almost surely, 2^20424303234 is an apocalyptic number.

20424303234 is an abundant number, since it is smaller than the sum of its proper divisors (26449317846).

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

20424303234 is a wasteful number, since it uses less digits than its factorization.

20424303234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25475 (or 25472 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20424303234 its reverse (43230342402), we get a palindrome (63654645636).

The spelling of 20424303234 in words is "twenty billion, four hundred twenty-four million, three hundred three thousand, two hundred thirty-four".