20754446736853 has 8 divisors (see below), whose sum is σ = 20812656222720. Its totient is φ = 20696283804240.

The previous prime is 20754446736847. The next prime is 20754446736887. The reversal of 20754446736853 is 35863764445702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20754446736853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20754446836853) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 10745325 + ... + 12528802.

It is an arithmetic number, because the mean of its divisors is an integer number (2601582027840).

Almost surely, 2^{20754446736853} is an apocalyptic number.

It is an amenable number.

20754446736853 is a deficient number, since it is larger than the sum of its proper divisors (58209485867).

20754446736853 is a wasteful number, since it uses less digits than its factorization.

20754446736853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276627.

The product of its (nonzero) digits is 406425600, while the sum is 64.

The spelling of 20754446736853 in words is "twenty trillion, seven hundred fifty-four billion, four hundred forty-six million, seven hundred thirty-six thousand, eight hundred fifty-three".