20244000066 has 16 divisors (see below), whose sum is σ = 40491576000. Its totient is φ = 6747404048.

The previous prime is 20244000017. The next prime is 20244000067. The reversal of 20244000066 is 66000044202.

20244000066 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20244000067) 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 7 ways as a sum of consecutive naturals, for example, 72366 + ... + 213833.

It is an arithmetic number, because the mean of its divisors is an integer number (2530723500).

Almost surely, 2^20244000066 is an apocalyptic number.

20244000066 is an abundant number, since it is smaller than the sum of its proper divisors (20247575934).

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

20244000066 is a wasteful number, since it uses less digits than its factorization.

20244000066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297993.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20244000066 its reverse (66000044202), we get a palindrome (86244044268).

The spelling of 20244000066 in words is "twenty billion, two hundred forty-four million, sixty-six", and thus it is an aban number.