20651775395296 has 24 divisors (see below), whose sum is σ = 40658368575384. Its totient is φ = 10325840519040.

The previous prime is 20651775395257. The next prime is 20651775395297. The reversal of 20651775395296 is 69259357715602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20651775395297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6263691 + ... + 8974261.

It is an arithmetic number, because the mean of its divisors is an integer number (1694098690641).

Almost surely, 2^{20651775395296} is an apocalyptic number.

It is an amenable number.

20651775395296 is a deficient number, since it is larger than the sum of its proper divisors (20006593180088).

20651775395296 is a wasteful number, since it uses less digits than its factorization.

20651775395296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948674 (or 2948666 counting only the distinct ones).

The product of its (nonzero) digits is 214326000, while the sum is 67.

The spelling of 20651775395296 in words is "twenty trillion, six hundred fifty-one billion, seven hundred seventy-five million, three hundred ninety-five thousand, two hundred ninety-six".