Search a number
-
+
20011201112000 = 26537425983903
BaseRepresentation
bin1001000110011001110001…
…00010001010011111000000
32121212001102000022221200202
410203030320202022133000
510110330414441041000
6110321004024504332
74133522134633040
oct443147042123700
977761360287622
1020011201112000
11641578037829a
1222b237a91b0a8
13b22081a94867
144d2793b1d720
1524a80d3eddd5
hex12333888a7c0

20011201112000 has 224 divisors, whose sum is σ = 56651390115840. Its totient is φ = 6859290547200.

The previous prime is 20011201111999. The next prime is 20011201112017. The reversal of 20011201112000 is 21110211002.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238462049 + ... + 238545951.

Almost surely, 220011201112000 is an apocalyptic number.

20011201112000 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 20011201112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28325695057920).

20011201112000 is an abundant number, since it is smaller than the sum of its proper divisors (36640189003840).

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

20011201112000 is an equidigital number, since it uses as much as digits as its factorization.

20011201112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88196 (or 88176 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20011201112000 its reverse (21110211002), we get a palindrome (20032311323002).

The spelling of 20011201112000 in words is "twenty trillion, eleven billion, two hundred one million, one hundred twelve thousand".