20108606 has 16 divisors (see below), whose sum is σ = 35274624. Its totient is φ = 8417304.

The previous prime is 20108597. The next prime is 20108609. The reversal of 20108606 is 60680102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20108609) 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, 16100 + ... + 17303.

It is an arithmetic number, because the mean of its divisors is an integer number (2204664).

Almost surely, 2^20108606 is an apocalyptic number.

20108606 is a deficient number, since it is larger than the sum of its proper divisors (15166018).

20108606 is a wasteful number, since it uses less digits than its factorization.

20108606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33455.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20108606 is about 4484.2620351625. The cubic root of 20108606 is about 271.9322116971.

Adding to 20108606 its reverse (60680102), we get a palindrome (80788708).

The spelling of 20108606 in words is "twenty million, one hundred eight thousand, six hundred six".