20116755455546 has 16 divisors (see below), whose sum is σ = 30986762640768. Its totient is φ = 9789499456800.

The previous prime is 20116755455477. The next prime is 20116755455549. The reversal of 20116755455546 is 64555455761102.

It is a super-3 number, since 3×20116755455546³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20116755455491 and 20116755455500.

It is not an unprimeable number, because it can be changed into a prime (20116755455549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 416196050 + ... + 416244381.

It is an arithmetic number, because the mean of its divisors is an integer number (1936672665048).

Almost surely, 2^{20116755455546} is an apocalyptic number.

20116755455546 is a deficient number, since it is larger than the sum of its proper divisors (10870007185222).

20116755455546 is a wasteful number, since it uses less digits than its factorization.

20116755455546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832440757.

The product of its (nonzero) digits is 25200000, while the sum is 56.

The spelling of 20116755455546 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-five million, four hundred fifty-five thousand, five hundred forty-six".