20881008282 has 16 divisors (see below), whose sum is σ = 41770414080. Its totient is φ = 6958936512.

The previous prime is 20881008277. The next prime is 20881008293. The reversal of 20881008282 is 28280018802.

It is a self number, because there is not a number n which added to its sum of digits gives 20881008282.

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 7 ways as a sum of consecutive naturals, for example, 317338 + ... + 377445.

It is an arithmetic number, because the mean of its divisors is an integer number (2610650880).

Almost surely, 2^20881008282 is an apocalyptic number.

20881008282 is an abundant number, since it is smaller than the sum of its proper divisors (20889405798).

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

20881008282 is a wasteful number, since it uses less digits than its factorization.

20881008282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699797.

The product of its (nonzero) digits is 32768, while the sum is 39.

The spelling of 20881008282 in words is "twenty billion, eight hundred eighty-one million, eight thousand, two hundred eighty-two".