20114689 has 24 divisors (see below), whose sum is σ = 24972608. Its totient is φ = 15863040.

The previous prime is 20114687. The next prime is 20114701. The reversal of 20114689 is 98641102.

It is a happy number.

It is not a de Polignac number, because 20114689 - 2¹ = 20114687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20114689.

It is not an unprimeable number, because it can be changed into a prime (20114687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123322 + ... + 123484.

Almost surely, 2^20114689 is an apocalyptic number.

It is an amenable number.

20114689 is a deficient number, since it is larger than the sum of its proper divisors (4857919).

20114689 is a wasteful number, since it uses less digits than its factorization.

20114689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 20114689 is about 4484.9402448639. The cubic root of 20114689 is about 271.9596294251.

The spelling of 20114689 in words is "twenty million, one hundred fourteen thousand, six hundred eighty-nine".