20088764808 has 96 divisors (see below), whose sum is σ = 58557814560. Its totient is φ = 5726246400.

The previous prime is 20088764803. The next prime is 20088764819. The reversal of 20088764808 is 80846788002.

It is a super-2 number, since 2×20088764808² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20088764803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489483 + ... + 528933.

It is an arithmetic number, because the mean of its divisors is an integer number (609977235).

Almost surely, 2^20088764808 is an apocalyptic number.

20088764808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20088764808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29278907280).

20088764808 is an abundant number, since it is smaller than the sum of its proper divisors (38469049752).

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

20088764808 is a wasteful number, since it uses less digits than its factorization.

20088764808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39907 (or 39896 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 20088764808 in words is "twenty billion, eighty-eight million, seven hundred sixty-four thousand, eight hundred eight".