20914089 has 8 divisors (see below), whose sum is σ = 31869120. Its totient is φ = 11950896.

The previous prime is 20914081. The next prime is 20914093. The reversal of 20914089 is 98041902.

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

It is not a de Polignac number, because 20914089 - 2³ = 20914081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20914081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497934 + ... + 497975.

It is an arithmetic number, because the mean of its divisors is an integer number (3983640).

Almost surely, 2^20914089 is an apocalyptic number.

It is an amenable number.

20914089 is a deficient number, since it is larger than the sum of its proper divisors (10955031).

20914089 is an equidigital number, since it uses as much as digits as its factorization.

20914089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995919.

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

The square root of 20914089 is about 4573.1924298022. The cubic root of 20914089 is about 275.5156781295.

The spelling of 20914089 in words is "twenty million, nine hundred fourteen thousand, eighty-nine".