20116755453552 has 80 divisors (see below), whose sum is σ = 51996245241600. Its totient is φ = 6701978291200.

The previous prime is 20116755453461. The next prime is 20116755453569. The reversal of 20116755453552 is 25535455761102.

It is a junction number, because it is equal to n+sod(n) for n = 20116755453495 and 20116755453504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176478699 + ... + 1176495797.

It is an arithmetic number, because the mean of its divisors is an integer number (649953065520).

Almost surely, 2^{20116755453552} is an apocalyptic number.

It is an amenable number.

20116755453552 is an abundant number, since it is smaller than the sum of its proper divisors (31879489788048).

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

20116755453552 is a wasteful number, since it uses less digits than its factorization.

20116755453552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28862 (or 28856 counting only the distinct ones).

The product of its (nonzero) digits is 6300000, while the sum is 51.

The spelling of 20116755453552 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-five million, four hundred fifty-three thousand, five hundred fifty-two".