20436180218048 has 56 divisors (see below), whose sum is σ = 46347410280864. Its totient is φ = 8758160179200.

The previous prime is 20436180218009. The next prime is 20436180218063. The reversal of 20436180218048 is 84081208163402.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 20436180217993 and 20436180218011.

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 7 ways as a sum of consecutive naturals, for example, 19708718 + ... + 20719698.

It is an arithmetic number, because the mean of its divisors is an integer number (827632326444).

Almost surely, 2^{20436180218048} is an apocalyptic number.

20436180218048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20436180218048 is an abundant number, since it is smaller than the sum of its proper divisors (25911230062816).

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

20436180218048 is a wasteful number, since it uses less digits than its factorization.

20436180218048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056121 (or 1056111 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 20436180218048 in words is "twenty trillion, four hundred thirty-six billion, one hundred eighty million, two hundred eighteen thousand, forty-eight".