20108134 has 4 divisors (see below), whose sum is σ = 30162204. Its totient is φ = 10054066.

The previous prime is 20108129. The next prime is 20108149. The reversal of 20108134 is 43180102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5027032 + ... + 5027035.

It is an arithmetic number, because the mean of its divisors is an integer number (7540551).

Almost surely, 2^20108134 is an apocalyptic number.

20108134 is a deficient number, since it is larger than the sum of its proper divisors (10054070).

20108134 is a wasteful number, since it uses less digits than its factorization.

20108134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054069.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20108134 is about 4484.2094063502. The cubic root of 20108134 is about 271.9300840341.

Adding to 20108134 its reverse (43180102), we get a palindrome (63288236).

The spelling of 20108134 in words is "twenty million, one hundred eight thousand, one hundred thirty-four".