20151516200050 has 48 divisors (see below), whose sum is σ = 37941054420672. Its totient is φ = 7962240686400.

The previous prime is 20151516200041. The next prime is 20151516200071. The reversal of 20151516200050 is 5000261515102.

It is a junction number, because it is equal to n+sod(n) for n = 20151516199991 and 20151516200018.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2883556 + ... + 6972655.

It is an arithmetic number, because the mean of its divisors is an integer number (790438633764).

Almost surely, 2^{20151516200050} is an apocalyptic number.

20151516200050 is a deficient number, since it is larger than the sum of its proper divisors (17789538220622).

20151516200050 is a wasteful number, since it uses less digits than its factorization.

20151516200050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856723 (or 9856718 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 20151516200050 its reverse (5000261515102), we get a palindrome (25151777715152).

The spelling of 20151516200050 in words is "twenty trillion, one hundred fifty-one billion, five hundred sixteen million, two hundred thousand, fifty".