20244220404200 has 96 divisors (see below), whose sum is σ = 50699176399200. Its totient is φ = 7473201903360.

The previous prime is 20244220404181. The next prime is 20244220404203. The reversal of 20244220404200 is 240402244202.

It is a super-2 number, since 2×20244220404200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 20244220404200.

It is not an unprimeable number, because it can be changed into a prime (20244220404203) 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, 11455511 + ... + 13104089.

It is an arithmetic number, because the mean of its divisors is an integer number (528116420825).

Almost surely, 2^{20244220404200} is an apocalyptic number.

20244220404200 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 20244220404200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25349588199600).

20244220404200 is an abundant number, since it is smaller than the sum of its proper divisors (30454955995000).

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

20244220404200 is a wasteful number, since it uses less digits than its factorization.

20244220404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653331 (or 1653322 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20244220404200 its reverse (240402244202), we get a palindrome (20484622648402).

The spelling of 20244220404200 in words is "twenty trillion, two hundred forty-four billion, two hundred twenty million, four hundred four thousand, two hundred".