20732866088 has 16 divisors (see below), whose sum is σ = 42408135360. Its totient is φ = 9424030000.

The previous prime is 20732866087. The next prime is 20732866127. The reversal of 20732866088 is 88066823702.

It is not an unprimeable number, because it can be changed into a prime (20732866081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117800288 + ... + 117800463.

It is an arithmetic number, because the mean of its divisors is an integer number (2650508460).

Almost surely, 2^20732866088 is an apocalyptic number.

It is an amenable number.

20732866088 is an abundant number, since it is smaller than the sum of its proper divisors (21675269272).

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

20732866088 is a wasteful number, since it uses less digits than its factorization.

20732866088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235600768 (or 235600764 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 20732866088 in words is "twenty billion, seven hundred thirty-two million, eight hundred sixty-six thousand, eighty-eight".