20366463 has 32 divisors (see below), whose sum is σ = 30707712. Its totient is φ = 11923200.

The previous prime is 20366453. The next prime is 20366483. The reversal of 20366463 is 36466302.

It is not a de Polignac number, because 20366463 - 2⁶ = 20366399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20366463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75018 + ... + 75288.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^20366463 is an apocalyptic number.

20366463 is a deficient number, since it is larger than the sum of its proper divisors (10341249).

20366463 is a wasteful number, since it uses less digits than its factorization.

20366463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 20366463 is about 4512.9217808422. The cubic root of 20366463 is about 273.0896269473.

It can be divided in two parts, 203 and 66463, that added together give a palindrome (66666).

The spelling of 20366463 in words is "twenty million, three hundred sixty-six thousand, four hundred sixty-three".