20024463 has 4 divisors (see below), whose sum is σ = 26699288. Its totient is φ = 13349640.

The previous prime is 20024339. The next prime is 20024483. The reversal of 20024463 is 36442002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20024463 - 2¹⁸ = 19762319 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 (20024483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337408 + ... + 3337413.

It is an arithmetic number, because the mean of its divisors is an integer number (6674822).

Almost surely, 2^20024463 is an apocalyptic number.

20024463 is a deficient number, since it is larger than the sum of its proper divisors (6674825).

20024463 is an equidigital number, since it uses as much as digits as its factorization.

20024463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674824.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20024463 is about 4474.8701657143. The cubic root of 20024463 is about 271.5523878978.

Adding to 20024463 its reverse (36442002), we get a palindrome (56466465).

The spelling of 20024463 in words is "twenty million, twenty-four thousand, four hundred sixty-three".