20411244200000 has 168 divisors, whose sum is σ = 52827364707264. Its totient is φ = 7809517760000.

The previous prime is 20411244199991. The next prime is 20411244200003. The reversal of 20411244200000 is 244211402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20411244200003) 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 23 ways as a sum of consecutive naturals, for example, 2381387 + ... + 6818613.

It is an arithmetic number, because the mean of its divisors is an integer number (314448599448).

Almost surely, 2^{20411244200000} is an apocalyptic number.

20411244200000 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 20411244200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26413682353632).

20411244200000 is an abundant number, since it is smaller than the sum of its proper divisors (32416120507264).

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

20411244200000 is an frugal number, since it uses more digits than its factorization.

20411244200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437287 (or 4437257 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20411244200000 its reverse (244211402), we get a palindrome (20411488411402).

The spelling of 20411244200000 in words is "twenty trillion, four hundred eleven billion, two hundred forty-four million, two hundred thousand".