20166134 has 4 divisors (see below), whose sum is σ = 30249204. Its totient is φ = 10083066.

The previous prime is 20166127. The next prime is 20166143. The reversal of 20166134 is 43166102.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 5041532 + ... + 5041535.

It is an arithmetic number, because the mean of its divisors is an integer number (7562301).

Almost surely, 2^20166134 is an apocalyptic number.

20166134 is a deficient number, since it is larger than the sum of its proper divisors (10083070).

20166134 is a wasteful number, since it uses less digits than its factorization.

20166134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10083069.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20166134 is about 4490.6718873683. The cubic root of 20166134 is about 272.1912852127.

The spelling of 20166134 in words is "twenty million, one hundred sixty-six thousand, one hundred thirty-four".