20793589 has 2 divisors, whose sum is σ = 20793590. Its totient is φ = 20793588.

The previous prime is 20793571. The next prime is 20793607. The reversal of 20793589 is 98539702.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20793571) and next prime (20793607).

It can be written as a sum of positive squares in only one way, i.e., 20775364 + 18225 = 4558^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 20793589 - 2¹⁷ = 20662517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20793989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10396794 + 10396795.

It is an arithmetic number, because the mean of its divisors is an integer number (10396795).

Almost surely, 2^20793589 is an apocalyptic number.

It is an amenable number.

20793589 is a deficient number, since it is larger than the sum of its proper divisors (1).

20793589 is an equidigital number, since it uses as much as digits as its factorization.

20793589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 20793589 is about 4559.9987938595. The cubic root of 20793589 is about 274.9855154905.

The spelling of 20793589 in words is "twenty million, seven hundred ninety-three thousand, five hundred eighty-nine".