20032866816 has 160 divisors (see below), whose sum is σ = 54343396800. Its totient is φ = 6556876800.

The previous prime is 20032866797. The next prime is 20032866817. The reversal of 20032866816 is 61866823002.

It is not an unprimeable number, because it can be changed into a prime (20032866817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21563440 + ... + 21564368.

It is an arithmetic number, because the mean of its divisors is an integer number (339646230).

Almost surely, 2^20032866816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20032866816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27171698400).

20032866816 is an abundant number, since it is smaller than the sum of its proper divisors (34310529984).

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

20032866816 is a wasteful number, since it uses less digits than its factorization.

20032866816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

It can be divided in two parts, 2003286 and 6816, that added together give a palindrome (2010102).

The spelling of 20032866816 in words is "twenty billion, thirty-two million, eight hundred sixty-six thousand, eight hundred sixteen".