20158006 has 8 divisors (see below), whose sum is σ = 32985864. Its totient is φ = 9162720.

The previous prime is 20158003. The next prime is 20158049. The reversal of 20158006 is 60085102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 916273 = 20158006 / (2 + 0 + 1 + 5 + 8 + 0 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20158003) 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 3 ways as a sum of consecutive naturals, for example, 458115 + ... + 458158.

It is an arithmetic number, because the mean of its divisors is an integer number (4123233).

Almost surely, 2^20158006 is an apocalyptic number.

20158006 is a deficient number, since it is larger than the sum of its proper divisors (12827858).

20158006 is a wasteful number, since it uses less digits than its factorization.

20158006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916286.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 20158006 is about 4489.7668090893. The cubic root of 20158006 is about 272.1547112208.

The spelling of 20158006 in words is "twenty million, one hundred fifty-eight thousand, six".