20051106 has 16 divisors (see below), whose sum is σ = 40220064. Its totient is φ = 6664064.

The previous prime is 20051081. The next prime is 20051107. The reversal of 20051106 is 60115002.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20051107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2616 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (2513754).

Almost surely, 2^20051106 is an apocalyptic number.

20051106 is an abundant number, since it is smaller than the sum of its proper divisors (20168958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20051106 is a wasteful number, since it uses less digits than its factorization.

20051106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 20051106 is about 4477.8461340247. The cubic root of 20051106 is about 271.6727700504.

Adding to 20051106 its reverse (60115002), we get a palindrome (80166108).

The spelling of 20051106 in words is "twenty million, fifty-one thousand, one hundred six".