20430112 has 24 divisors (see below), whose sum is σ = 40473216. Its totient is φ = 10151232.

The previous prime is 20430083. The next prime is 20430121. The reversal of 20430112 is 21103402.

It is a junction number, because it is equal to n+sod(n) for n = 20430092 and 20430101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433 + ... + 7255.

It is an arithmetic number, because the mean of its divisors is an integer number (1686384).

Almost surely, 2^20430112 is an apocalyptic number.

It is an amenable number.

20430112 is a deficient number, since it is larger than the sum of its proper divisors (20043104).

20430112 is a wasteful number, since it uses less digits than its factorization.

20430112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20430112 is about 4519.9681414806. The cubic root of 20430112 is about 273.3738164640.

Adding to 20430112 its reverse (21103402), we get a palindrome (41533514).

The spelling of 20430112 in words is "twenty million, four hundred thirty thousand, one hundred twelve".