20050106 has 16 divisors (see below), whose sum is σ = 32524416. Its totient is φ = 9233856.

The previous prime is 20050103. The next prime is 20050109. The reversal of 20050106 is 60105002.

It is an interprime number because it is at equal distance from previous prime (20050103) and next prime (20050109).

It is a super-2 number, since 2×20050106² = 804013501222472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20050103) 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, 4676 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (2032776).

Almost surely, 2^20050106 is an apocalyptic number.

20050106 is a deficient number, since it is larger than the sum of its proper divisors (12474310).

20050106 is a wasteful number, since it uses less digits than its factorization.

20050106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20050106 is about 4477.7344718060. The cubic root of 20050106 is about 271.6682536364.

Adding to 20050106 its reverse (60105002), we get a palindrome (80155108).

The spelling of 20050106 in words is "twenty million, fifty thousand, one hundred six".