20884273 has 2 divisors, whose sum is σ = 20884274. Its totient is φ = 20884272.

The previous prime is 20884267. The next prime is 20884301. The reversal of 20884273 is 37248802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10942864 + 9941409 = 3308^2 + 3153^2 .

It is a cyclic number.

It is not a de Polignac number, because 20884273 - 2¹³ = 20876081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20884373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10442136 + 10442137.

It is an arithmetic number, because the mean of its divisors is an integer number (10442137).

Almost surely, 2^20884273 is an apocalyptic number.

It is an amenable number.

20884273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20884273 is an equidigital number, since it uses as much as digits as its factorization.

20884273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 20884273 is about 4569.9313999228. The cubic root of 20884273 is about 275.3846869696.

The spelling of 20884273 in words is "twenty million, eight hundred eighty-four thousand, two hundred seventy-three".