20793189 has 8 divisors (see below), whose sum is σ = 27849472. Its totient is φ = 13799520.

The previous prime is 20793187. The next prime is 20793221. The reversal of 20793189 is 98139702.

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

It is not a de Polignac number, because 20793189 - 2¹ = 20793187 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 (20793181) 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, 14872 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (3481184).

Almost surely, 2^20793189 is an apocalyptic number.

It is an amenable number.

20793189 is a deficient number, since it is larger than the sum of its proper divisors (7056283).

20793189 is a wasteful number, since it uses less digits than its factorization.

20793189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31307.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 20793189 is about 4559.9549339878. The cubic root of 20793189 is about 274.9837522081.

The spelling of 20793189 in words is "twenty million, seven hundred ninety-three thousand, one hundred eighty-nine".