20754616833792 has 216 divisors, whose sum is σ = 61827563790720. Its totient is φ = 6688909393920.

The previous prime is 20754616833791. The next prime is 20754616833803. The reversal of 20754616833792 is 29733861645702.

It is a happy number.

20754616833792 is a `hidden beast` number, since 2 + 0 + 7 + 5 + 4 + 616 + 8 + 3 + 3 + 7 + 9 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20754616833791) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 78219684 + ... + 78484572.

It is a 2-persistent number, because it is pandigital, and so is 2⋅20754616833792 = 41509233667584, but 3⋅20754616833792 = 62263850501376 is not.

Almost surely, 2^{20754616833792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20754616833792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30913781895360).

20754616833792 is an abundant number, since it is smaller than the sum of its proper divisors (41072946956928).

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

20754616833792 is a wasteful number, since it uses less digits than its factorization.

20754616833792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266039 (or 266022 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 20754616833792 in words is "twenty trillion, seven hundred fifty-four billion, six hundred sixteen million, eight hundred thirty-three thousand, seven hundred ninety-two".