20424315004063 has 4 divisors (see below), whose sum is σ = 20443035733848. Its totient is φ = 20405594274280.

The previous prime is 20424315004061. The next prime is 20424315004087. The reversal of 20424315004063 is 36040051342402.

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

It is a cyclic number.

It is not a de Polignac number, because 20424315004063 - 2¹ = 20424315004061 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 (20424315004061) 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, 9360363256 + ... + 9360365437.

It is an arithmetic number, because the mean of its divisors is an integer number (5110758933462).

Almost surely, 2^{20424315004063} is an apocalyptic number.

20424315004063 is a deficient number, since it is larger than the sum of its proper divisors (18720729785).

20424315004063 is a wasteful number, since it uses less digits than its factorization.

20424315004063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18720729784.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 20424315004063 its reverse (36040051342402), we get a palindrome (56464366346465).

The spelling of 20424315004063 in words is "twenty trillion, four hundred twenty-four billion, three hundred fifteen million, four thousand, sixty-three".