20360463541536 has 96 divisors (see below), whose sum is σ = 54058061631168. Its totient is φ = 6709332454400.

The previous prime is 20360463541519. The next prime is 20360463541559. The reversal of 20360463541536 is 63514536406302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4723615 + ... + 7939361.

It is an arithmetic number, because the mean of its divisors is an integer number (563104808658).

Almost surely, 2^{20360463541536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20360463541536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27029030815584).

20360463541536 is an abundant number, since it is smaller than the sum of its proper divisors (33697598089632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20360463541536 is a wasteful number, since it uses less digits than its factorization.

20360463541536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216514 (or 3216506 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

Adding to 20360463541536 its reverse (63514536406302), we get a palindrome (83874999947838).

The spelling of 20360463541536 in words is "twenty trillion, three hundred sixty billion, four hundred sixty-three million, five hundred forty-one thousand, five hundred thirty-six".