20574341 has 2 divisors, whose sum is σ = 20574342. Its totient is φ = 20574340.

The previous prime is 20574319. The next prime is 20574347. The reversal of 20574341 is 14347502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20511841 + 62500 = 4529^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 20574341 - 2⁶ = 20574277 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20574341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20574347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10287170 + 10287171.

It is an arithmetic number, because the mean of its divisors is an integer number (10287171).

Almost surely, 2^20574341 is an apocalyptic number.

It is an amenable number.

20574341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20574341 is an equidigital number, since it uses as much as digits as its factorization.

20574341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20574341 is about 4535.8947298190. The cubic root of 20574341 is about 274.0156143978.

The spelling of 20574341 in words is "twenty million, five hundred seventy-four thousand, three hundred forty-one".