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20827260000 = 25335438569
BaseRepresentation
bin10011011001011001…
…101100010001100000
31222202111011102122000
4103121121230101200
5320123234310000
613322400244000
71335055534431
oct233131542140
958674142560
1020827260000
118918499778
124053010600
131c6bbb35b1
141018109488
1581d6ca000
hex4d966c460

20827260000 has 240 divisors, whose sum is σ = 75910388400. Its totient is φ = 5553792000.

The previous prime is 20827259993. The next prime is 20827260011. The reversal of 20827260000 is 6272802.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 520716 + ... + 559284.

It is an arithmetic number, because the mean of its divisors is an integer number (316293285).

Almost surely, 220827260000 is an apocalyptic number.

20827260000 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 20827260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37955194200).

20827260000 is an abundant number, since it is smaller than the sum of its proper divisors (55083128400).

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

20827260000 is an equidigital number, since it uses as much as digits as its factorization.

20827260000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38608 (or 38579 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 20827260000 in words is "twenty billion, eight hundred twenty-seven million, two hundred sixty thousand".