20363063536 has 10 divisors (see below), whose sum is σ = 39453435632. Its totient is φ = 10181531760.

The previous prime is 20363063533. The next prime is 20363063557. The reversal of 20363063536 is 63536036302.

It is a junction number, because it is equal to n+sod(n) for n = 20363063495 and 20363063504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363063533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636345720 + ... + 636345751.

Almost surely, 2^20363063536 is an apocalyptic number.

It is an amenable number.

20363063536 is a deficient number, since it is larger than the sum of its proper divisors (19090372096).

20363063536 is a wasteful number, since it uses less digits than its factorization.

20363063536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272691479 (or 1272691473 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 37.

Adding to 20363063536 its reverse (63536036302), we get a palindrome (83899099838).

The spelling of 20363063536 in words is "twenty billion, three hundred sixty-three million, sixty-three thousand, five hundred thirty-six".