20808886882 has 32 divisors (see below), whose sum is σ = 36299168640. Its totient is φ = 8761582080.

The previous prime is 20808886877. The next prime is 20808886919. The reversal of 20808886882 is 28868880802.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530418 + ... + 1543954.

It is an arithmetic number, because the mean of its divisors is an integer number (1134349020).

Almost surely, 2^20808886882 is an apocalyptic number.

20808886882 is a deficient number, since it is larger than the sum of its proper divisors (15490281758).

20808886882 is a wasteful number, since it uses less digits than its factorization.

20808886882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466.

The product of its (nonzero) digits is 6291456, while the sum is 58.

The spelling of 20808886882 in words is "twenty billion, eight hundred eight million, eight hundred eighty-six thousand, eight hundred eighty-two".