20112106 has 16 divisors (see below), whose sum is σ = 34602624. Its totient is φ = 8588304.

The previous prime is 20112073. The next prime is 20112107. The reversal of 20112106 is 60121102.

It is not an unprimeable number, because it can be changed into a prime (20112107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1651 + ... + 6553.

It is an arithmetic number, because the mean of its divisors is an integer number (2162664).

Almost surely, 2^20112106 is an apocalyptic number.

20112106 is a deficient number, since it is larger than the sum of its proper divisors (14490518).

20112106 is a wasteful number, since it uses less digits than its factorization.

20112106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 20112106 is about 4484.6522719159. The cubic root of 20112106 is about 271.9479878201.

Adding to 20112106 its reverse (60121102), we get a palindrome (80233208).

The spelling of 20112106 in words is "twenty million, one hundred twelve thousand, one hundred six".