20116121770050 has 96 divisors (see below), whose sum is σ = 51050125672128. Its totient is φ = 5239347025920.

The previous prime is 20116121769949. The next prime is 20116121770061. The reversal of 20116121770050 is 5007712161102.

It is a junction number, because it is equal to n+sod(n) for n = 20116121769993 and 20116121770020.

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 47 ways as a sum of consecutive naturals, for example, 247594234 + ... + 247675466.

It is an arithmetic number, because the mean of its divisors is an integer number (531772142418).

Almost surely, 2^{20116121770050} is an apocalyptic number.

20116121770050 is an abundant number, since it is smaller than the sum of its proper divisors (30934003902078).

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

20116121770050 is a wasteful number, since it uses less digits than its factorization.

20116121770050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119684 (or 119679 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 20116121770050 in words is "twenty trillion, one hundred sixteen billion, one hundred twenty-one million, seven hundred seventy thousand, fifty".