20584373 has 2 divisors, whose sum is σ = 20584374. Its totient is φ = 20584372.

The previous prime is 20584367. The next prime is 20584393. The reversal of 20584373 is 37348502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20584369 + 4 = 4537^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 20584373 - 2⁴ = 20584357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20584303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10292186 + 10292187.

It is an arithmetic number, because the mean of its divisors is an integer number (10292187).

Almost surely, 2^20584373 is an apocalyptic number.

It is an amenable number.

20584373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20584373 is an equidigital number, since it uses as much as digits as its factorization.

20584373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 20584373 is about 4537.0004408199. Note that the first 3 decimals coincide. The cubic root of 20584373 is about 274.0601436162.

The spelling of 20584373 in words is "twenty million, five hundred eighty-four thousand, three hundred seventy-three".