20554063 has 2 divisors, whose sum is σ = 20554064. Its totient is φ = 20554062.

The previous prime is 20554049. The next prime is 20554073. The reversal of 20554063 is 36045502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20554063 - 2¹³ = 20545871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20554013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10277031 + 10277032.

It is an arithmetic number, because the mean of its divisors is an integer number (10277032).

Almost surely, 2^20554063 is an apocalyptic number.

20554063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20554063 is an equidigital number, since it uses as much as digits as its factorization.

20554063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 20554063 is about 4533.6588976234. The cubic root of 20554063 is about 273.9255618559.

Adding to 20554063 its reverse (36045502), we get a palindrome (56599565).

The spelling of 20554063 in words is "twenty million, five hundred fifty-four thousand, sixty-three".