20315262336063 has 16 divisors (see below), whose sum is σ = 29752329281280. Its totient is φ = 12272835826944.

The previous prime is 20315262336053. The next prime is 20315262336077. The reversal of 20315262336063 is 36063326251302.

It is a de Polignac number, because none of the positive numbers 2^k-20315262336063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315262336023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7748001106 + ... + 7748003727.

It is an arithmetic number, because the mean of its divisors is an integer number (1859520580080).

Almost surely, 2^{20315262336063} is an apocalyptic number.

20315262336063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20315262336063 is a deficient number, since it is larger than the sum of its proper divisors (9437066945217).

20315262336063 is a wasteful number, since it uses less digits than its factorization.

20315262336063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15496004878.

The product of its (nonzero) digits is 699840, while the sum is 42.

Adding to 20315262336063 its reverse (36063326251302), we get a palindrome (56378588587365).

The spelling of 20315262336063 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-two million, three hundred thirty-six thousand, sixty-three".