20116761616142 has 4 divisors (see below), whose sum is σ = 30175142424216. Its totient is φ = 10058380808070.

The previous prime is 20116761616129. The next prime is 20116761616213. The reversal of 20116761616142 is 24161616761102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20116761616093 and 20116761616102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5029190404034 + ... + 5029190404037.

It is an arithmetic number, because the mean of its divisors is an integer number (7543785606054).

Almost surely, 2^{20116761616142} is an apocalyptic number.

20116761616142 is a deficient number, since it is larger than the sum of its proper divisors (10058380808074).

20116761616142 is a wasteful number, since it uses less digits than its factorization.

20116761616142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058380808073.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 20116761616142 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred sixteen thousand, one hundred forty-two".