20547063 has 12 divisors (see below), whose sum is σ = 29753568. Its totient is φ = 13663680.

The previous prime is 20547053. The next prime is 20547083. The reversal of 20547063 is 36074502.

It is a happy number.

20547063 is nontrivially palindromic in base 13.

20547063 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 20547063 - 2¹² = 20542967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20547013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1231 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (2479464).

Almost surely, 2^20547063 is an apocalyptic number.

20547063 is a deficient number, since it is larger than the sum of its proper divisors (9206505).

20547063 is a wasteful number, since it uses less digits than its factorization.

20547063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734 (or 5731 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20547063 is about 4532.8868285012. The cubic root of 20547063 is about 273.8944618142.

The spelling of 20547063 in words is "twenty million, five hundred forty-seven thousand, sixty-three".