20086463 has 4 divisors (see below), whose sum is σ = 20187600. Its totient is φ = 19985328.

The previous prime is 20086457. The next prime is 20086471. The reversal of 20086463 is 36468002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36468002 = 2 ⋅18234001.

It is a cyclic number.

It is not a de Polignac number, because 20086463 - 2¹² = 20082367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50270 + ... + 50667.

It is an arithmetic number, because the mean of its divisors is an integer number (5046900).

Almost surely, 2^20086463 is an apocalyptic number.

20086463 is a deficient number, since it is larger than the sum of its proper divisors (101137).

20086463 is a wasteful number, since it uses less digits than its factorization.

20086463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101136.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20086463 is about 4481.7923869809. The cubic root of 20086463 is about 271.8323604773.

The spelling of 20086463 in words is "twenty million, eighty-six thousand, four hundred sixty-three".