20004435422 has 8 divisors (see below), whose sum is σ = 31041365400. Its totient is φ = 9657313624.

The previous prime is 20004435349. The next prime is 20004435463. The reversal of 20004435422 is 22453440002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20004435391 and 20004435400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172451972 + ... + 172452087.

It is an arithmetic number, because the mean of its divisors is an integer number (3880170675).

Almost surely, 2^20004435422 is an apocalyptic number.

20004435422 is a deficient number, since it is larger than the sum of its proper divisors (11036929978).

20004435422 is a wasteful number, since it uses less digits than its factorization.

20004435422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344904090.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20004435422 its reverse (22453440002), we get a palindrome (42457875424).

The spelling of 20004435422 in words is "twenty billion, four million, four hundred thirty-five thousand, four hundred twenty-two".