20589361 has 8 divisors (see below), whose sum is σ = 22486464. Its totient is φ = 18737040.

The previous prime is 20589343. The next prime is 20589377. The reversal of 20589361 is 16398502.

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

It is a cyclic number.

It is not a de Polignac number, because 20589361 - 2⁹ = 20588849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20589341) 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, 10231 + ... + 12076.

It is an arithmetic number, because the mean of its divisors is an integer number (2810808).

Almost surely, 2^20589361 is an apocalyptic number.

It is an amenable number.

20589361 is a deficient number, since it is larger than the sum of its proper divisors (1897103).

20589361 is a wasteful number, since it uses less digits than its factorization.

20589361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22391.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 20589361 is about 4537.5501099161. The cubic root of 20589361 is about 274.0822785564.

The spelling of 20589361 in words is "twenty million, five hundred eighty-nine thousand, three hundred sixty-one".