20089853 has 16 divisors (see below), whose sum is σ = 24076800. Its totient is φ = 16743888.

The previous prime is 20089843. The next prime is 20089871. The reversal of 20089853 is 35898002.

It is a de Polignac number, because none of the positive numbers 2^k-20089853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11900 + ... + 13482.

It is an arithmetic number, because the mean of its divisors is an integer number (1504800).

Almost surely, 2^20089853 is an apocalyptic number.

It is an amenable number.

20089853 is a deficient number, since it is larger than the sum of its proper divisors (3986947).

20089853 is an equidigital number, since it uses as much as digits as its factorization.

20089853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 20089853 is about 4482.1705679280. The cubic root of 20089853 is about 271.8476520340.

The spelling of 20089853 in words is "twenty million, eighty-nine thousand, eight hundred fifty-three".