20544702773496 has 64 divisors (see below), whose sum is σ = 56032726752000. Its totient is φ = 6225476486400.

The previous prime is 20544702773489. The next prime is 20544702773549. The reversal of 20544702773496 is 69437720744502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7547581 + ... + 9902291.

It is an arithmetic number, because the mean of its divisors is an integer number (875511355500).

Almost surely, 2^{20544702773496} is an apocalyptic number.

It is an amenable number.

20544702773496 is an abundant number, since it is smaller than the sum of its proper divisors (35488023978504).

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

20544702773496 is a wasteful number, since it uses less digits than its factorization.

20544702773496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387780 (or 2387776 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 60.

The spelling of 20544702773496 in words is "twenty trillion, five hundred forty-four billion, seven hundred two million, seven hundred seventy-three thousand, four hundred ninety-six".