20886748289348 has 6 divisors (see below), whose sum is σ = 36551809506366. Its totient is φ = 10443374144672.

The previous prime is 20886748289293. The next prime is 20886748289353. The reversal of 20886748289348 is 84398284768802.

It can be written as a sum of positive squares in only one way, i.e., 17775398023744 + 3111350265604 = 4216088^2 + 1763902^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610843536165 + ... + 2610843536172.

It is an arithmetic number, because the mean of its divisors is an integer number (6091968251061).

Almost surely, 2^{20886748289348} is an apocalyptic number.

It is an amenable number.

20886748289348 is a deficient number, since it is larger than the sum of its proper divisors (15665061217018).

20886748289348 is a wasteful number, since it uses less digits than its factorization.

20886748289348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221687072341 (or 5221687072339 counting only the distinct ones).

The product of its (nonzero) digits is 2378170368, while the sum is 77.

The spelling of 20886748289348 in words is "twenty trillion, eight hundred eighty-six billion, seven hundred forty-eight million, two hundred eighty-nine thousand, three hundred forty-eight".