20089134 has 40 divisors (see below), whose sum is σ = 48482280. Its totient is φ = 6180624.

The previous prime is 20089123. The next prime is 20089151. The reversal of 20089134 is 43198002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20089098 and 20089107.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 2664 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1212057).

Almost surely, 2^20089134 is an apocalyptic number.

20089134 is an abundant number, since it is smaller than the sum of its proper divisors (28393146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20089134 is a wasteful number, since it uses less digits than its factorization.

20089134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20089134 is about 4482.0903605349. The cubic root of 20089134 is about 271.8444089243.

The spelling of 20089134 in words is "twenty million, eighty-nine thousand, one hundred thirty-four".