20814006 has 16 divisors (see below), whose sum is σ = 43819200. Its totient is φ = 6572808.

The previous prime is 20813983. The next prime is 20814023. The reversal of 20814006 is 60041802.

20814006 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91176 + ... + 91403.

It is an arithmetic number, because the mean of its divisors is an integer number (2738700).

Almost surely, 2^20814006 is an apocalyptic number.

20814006 is an abundant number, since it is smaller than the sum of its proper divisors (23005194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20814006 is a wasteful number, since it uses less digits than its factorization.

20814006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182603.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20814006 is about 4562.2369513211. The cubic root of 20814006 is about 275.0754878166.

Adding to 20814006 its reverse (60041802), we get a palindrome (80855808).

The spelling of 20814006 in words is "twenty million, eight hundred fourteen thousand, six".