20794189 has 16 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 17551296.

The previous prime is 20794159. The next prime is 20794201. The reversal of 20794189 is 98149702.

It is a cyclic number.

It is not a de Polignac number, because 20794189 - 2⁵ = 20794157 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 (20794129) 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, 5712 + ... + 8614.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^20794189 is an apocalyptic number.

20794189 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20794189 is a deficient number, since it is larger than the sum of its proper divisors (3599411).

20794189 is a wasteful number, since it uses less digits than its factorization.

20794189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 20794189 is about 4560.0645828760. The cubic root of 20794189 is about 274.9881603718.

The spelling of 20794189 in words is "twenty million, seven hundred ninety-four thousand, one hundred eighty-nine".