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20441120200000 = 2655281557653
BaseRepresentation
bin1001010010111010100011…
…01101010101010101000000
32200101011002210221110122221
410221131101231111111000
510134401403232400000
6111250304310540424
74206552004610623
oct451352155252500
980334083843587
1020441120200000
1165710374aa2a5
122361761967714
13b53787aa8766
145094d96a7dba
15256ac178c61a
hex129751b55540

20441120200000 has 336 divisors, whose sum is σ = 51050149175088. Its totient is φ = 8120268800000.

The previous prime is 20441120199949. The next prime is 20441120200009. The reversal of 20441120200000 is 202114402.

It can be written as a sum of positive squares in 24 ways, for example, as 12988700672256 + 7452419527744 = 3603984^2 + 2729912^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441120200009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31303399674 + ... + 31303400326.

It is an arithmetic number, because the mean of its divisors is an integer number (151934967783).

Almost surely, 220441120200000 is an apocalyptic number.

20441120200000 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 20441120200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25525074587544).

20441120200000 is an abundant number, since it is smaller than the sum of its proper divisors (30609028975088).

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

20441120200000 is an frugal number, since it uses more digits than its factorization.

20441120200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20441120200000 its reverse (202114402), we get a palindrome (20441322314402).

The spelling of 20441120200000 in words is "twenty trillion, four hundred forty-one billion, one hundred twenty million, two hundred thousand".