20430104 has 16 divisors (see below), whose sum is σ = 38377800. Its totient is φ = 10196032.

The previous prime is 20430083. The next prime is 20430121. The reversal of 20430104 is 40103402.

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, 2867 + ... + 7005.

Almost surely, 2^20430104 is an apocalyptic number.

It is an amenable number.

20430104 is a deficient number, since it is larger than the sum of its proper divisors (17947696).

20430104 is a wasteful number, since it uses less digits than its factorization.

20430104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20430104 is about 4519.9672565186. The cubic root of 20430104 is about 273.3737807815.

Adding to 20430104 its reverse (40103402), we get a palindrome (60533506).

The spelling of 20430104 in words is "twenty million, four hundred thirty thousand, one hundred four".