20000463 has 16 divisors (see below), whose sum is σ = 30566400. Its totient is φ = 11395296.

The previous prime is 20000443. The next prime is 20000471. The reversal of 20000463 is 36400002.

It is not a de Polignac number, because 20000463 - 2¹⁰ = 19999439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7138 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (1910400).

Almost surely, 2^20000463 is an apocalyptic number.

20000463 is a deficient number, since it is larger than the sum of its proper divisors (10565937).

20000463 is a wasteful number, since it uses less digits than its factorization.

20000463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20000463 is about 4472.1877196737. The cubic root of 20000463 is about 271.4438562689.

Adding to 20000463 its reverse (36400002), we get a palindrome (56400465).

The spelling of 20000463 in words is "twenty million, four hundred sixty-three", and thus it is an aban number.