20888248848 has 40 divisors (see below), whose sum is σ = 54721336896. Its totient is φ = 6864681600.

The previous prime is 20888248841. The next prime is 20888248877. The reversal of 20888248848 is 84884288802.

It is a junction number, because it is equal to n+sod(n) for n = 20888248791 and 20888248800.

It is not an unprimeable number, because it can be changed into a prime (20888248841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061183 + ... + 3067998.

Almost surely, 2^20888248848 is an apocalyptic number.

It is an amenable number.

20888248848 is an abundant number, since it is smaller than the sum of its proper divisors (33833088048).

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

20888248848 is a wasteful number, since it uses less digits than its factorization.

20888248848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129263 (or 6129257 counting only the distinct ones).

The product of its (nonzero) digits is 16777216, while the sum is 60.

The spelling of 20888248848 in words is "twenty billion, eight hundred eighty-eight million, two hundred forty-eight thousand, eight hundred forty-eight".