20868754807996 has 12 divisors (see below), whose sum is σ = 36548785709352. Its totient is φ = 10426244605328.

The previous prime is 20868754807991. The next prime is 20868754807997. The reversal of 20868754807996 is 69970845786802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20868754807991) 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, 2033193895 + ... + 2033204158.

It is an arithmetic number, because the mean of its divisors is an integer number (3045732142446).

Almost surely, 2^{20868754807996} is an apocalyptic number.

It is an amenable number.

20868754807996 is a deficient number, since it is larger than the sum of its proper divisors (15680030901356).

20868754807996 is a wasteful number, since it uses less digits than its factorization.

20868754807996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066399340 (or 4066399338 counting only the distinct ones).

The product of its (nonzero) digits is 2926264320, while the sum is 79.

The spelling of 20868754807996 in words is "twenty trillion, eight hundred sixty-eight billion, seven hundred fifty-four million, eight hundred seven thousand, nine hundred ninety-six".