20310330520136 has 16 divisors (see below), whose sum is σ = 38125997049600. Its totient is φ = 10143397973584.

The previous prime is 20310330520127. The next prime is 20310330520171. The reversal of 20310330520136 is 63102503301302.

It is a junction number, because it is equal to n+sod(n) for n = 20310330520099 and 20310330520108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470903476 + ... + 1470917283.

It is an arithmetic number, because the mean of its divisors is an integer number (2382874815600).

Almost surely, 2^{20310330520136} is an apocalyptic number.

It is an amenable number.

20310330520136 is a deficient number, since it is larger than the sum of its proper divisors (17815666529464).

20310330520136 is a wasteful number, since it uses less digits than its factorization.

20310330520136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941821628 (or 2941821624 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 20310330520136 its reverse (63102503301302), we get a palindrome (83412833821438).

The spelling of 20310330520136 in words is "twenty trillion, three hundred ten billion, three hundred thirty million, five hundred twenty thousand, one hundred thirty-six".