20891114 has 8 divisors (see below), whose sum is σ = 31438368. Its totient is φ = 10411660.

The previous prime is 20891093. The next prime is 20891131. The reversal of 20891114 is 41119802.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16172 + ... + 17415.

It is an arithmetic number, because the mean of its divisors is an integer number (3929796).

Almost surely, 2^20891114 is an apocalyptic number.

20891114 is a deficient number, since it is larger than the sum of its proper divisors (10547254).

20891114 is a wasteful number, since it uses less digits than its factorization.

20891114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33900.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 20891114 is about 4570.6798181452. The cubic root of 20891114 is about 275.4147526715.

The spelling of 20891114 in words is "twenty million, eight hundred ninety-one thousand, one hundred fourteen".