20814099 has 8 divisors (see below), whose sum is σ = 27775440. Its totient is φ = 13864416.

The previous prime is 20814097. The next prime is 20814119. The reversal of 20814099 is 99041802.

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

It is not a de Polignac number, because 20814099 - 2¹ = 20814097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20814097) 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 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (3471930).

Almost surely, 2^20814099 is an apocalyptic number.

20814099 is a deficient number, since it is larger than the sum of its proper divisors (6961341).

20814099 is a wasteful number, since it uses less digits than its factorization.

20814099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 20814099 is about 4562.2471436782. The cubic root of 20814099 is about 275.0758975083.

The spelling of 20814099 in words is "twenty million, eight hundred fourteen thousand, ninety-nine".