20104424433 has 12 divisors (see below), whose sum is σ = 29248644880. Its totient is φ = 13306524696.

The previous prime is 20104424399. The next prime is 20104424437. The reversal of 20104424433 is 33442440102.

It is a happy number.

20104424433 is a `hidden beast` number, since 201 + 0 + 4 + 4 + 24 + 433 = 666.

It is not a de Polignac number, because 20104424433 - 2⁹ = 20104423921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20104424397 and 20104424406.

It is not an unprimeable number, because it can be changed into a prime (20104424437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8034091 + ... + 8036592.

Almost surely, 2^20104424433 is an apocalyptic number.

It is an amenable number.

20104424433 is a deficient number, since it is larger than the sum of its proper divisors (9144220447).

20104424433 is a wasteful number, since it uses less digits than its factorization.

20104424433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070828 (or 16070825 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20104424433 its reverse (33442440102), we get a palindrome (53546864535).

The spelling of 20104424433 in words is "twenty billion, one hundred four million, four hundred twenty-four thousand, four hundred thirty-three".