20754064563472 has 80 divisors (see below), whose sum is σ = 41426331759360. Its totient is φ = 10067625227264.

The previous prime is 20754064563461. The next prime is 20754064563517. The reversal of 20754064563472 is 27436546045702.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42427548 + ... + 42913924.

It is an arithmetic number, because the mean of its divisors is an integer number (517829146992).

Almost surely, 2^{20754064563472} is an apocalyptic number.

It is an amenable number.

20754064563472 is a deficient number, since it is larger than the sum of its proper divisors (20672267195888).

20754064563472 is a wasteful number, since it uses less digits than its factorization.

20754064563472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486928 (or 486922 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 55.

The spelling of 20754064563472 in words is "twenty trillion, seven hundred fifty-four billion, sixty-four million, five hundred sixty-three thousand, four hundred seventy-two".