20003066880 has 352 divisors, whose sum is σ = 68438055168. Its totient is φ = 4974182400.

The previous prime is 20003066827. The next prime is 20003066891. The reversal of 20003066880 is 8866030002.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14483790 + ... + 14485170.

Almost surely, 2^20003066880 is an apocalyptic number.

20003066880 is a gapful number since it is divisible by the number (20) 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 20003066880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34219027584).

20003066880 is an abundant number, since it is smaller than the sum of its proper divisors (48434988288).

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

20003066880 is a wasteful number, since it uses less digits than its factorization.

20003066880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 20003066880 its reverse (8866030002), we get a palindrome (28869096882).

The spelling of 20003066880 in words is "twenty billion, three million, sixty-six thousand, eight hundred eighty".