20116771017050 has 48 divisors (see below), whose sum is σ = 39674013200640. Its totient is φ = 7567553612160.

The previous prime is 20116771017041. The next prime is 20116771017071. The reversal of 20116771017050 is 5071017761102.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 20116771016995 and 20116771017013.

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, 77152874 + ... + 77413173.

It is an arithmetic number, because the mean of its divisors is an integer number (826541941680).

Almost surely, 2^{20116771017050} is an apocalyptic number.

20116771017050 is a deficient number, since it is larger than the sum of its proper divisors (19557242183590).

20116771017050 is a wasteful number, since it uses less digits than its factorization.

20116771017050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154566215 (or 154566210 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 38.

Adding to 20116771017050 its reverse (5071017761102), we get a palindrome (25187788778152).

The spelling of 20116771017050 in words is "twenty trillion, one hundred sixteen billion, seven hundred seventy-one million, seventeen thousand, fifty".