20869052756 has 12 divisors (see below), whose sum is σ = 36605580480. Its totient is φ = 10410315480.

The previous prime is 20869052749. The next prime is 20869052801. The reversal of 20869052756 is 65725096802.

It is a super-2 number, since 2×20869052756² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6050786 + ... + 6054233.

It is an arithmetic number, because the mean of its divisors is an integer number (3050465040).

Almost surely, 2^20869052756 is an apocalyptic number.

It is an amenable number.

20869052756 is a deficient number, since it is larger than the sum of its proper divisors (15736527724).

20869052756 is a wasteful number, since it uses less digits than its factorization.

20869052756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105454 (or 12105452 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 20869052756 in words is "twenty billion, eight hundred sixty-nine million, fifty-two thousand, seven hundred fifty-six".