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20835360000 = 28335471353
BaseRepresentation
bin10011011001111000…
…100101110100000000
31222210001101221202000
4103121320211310000
5320132323010000
613323250024000
71335214431540
oct233170456400
958701357660
1020835360000
118922021394
124055878000
131c7078b3b0
141019217320
1581e27a000
hex4d9e25d00

20835360000 has 1440 divisors, whose sum is σ = 96548094720. Its totient is φ = 4313088000.

The previous prime is 20835359989. The next prime is 20835360001. The reversal of 20835360000 is 6353802.

20835360000 is a `hidden beast` number, since 2 + 0 + 8 + 3 + 53 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a super-2 number, since 2×208353600002 (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20835360001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 393119974 + ... + 393120026.

It is an arithmetic number, because the mean of its divisors is an integer number (67047288).

Almost surely, 220835360000 is an apocalyptic number.

20835360000 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 20835360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48274047360).

20835360000 is an abundant number, since it is smaller than the sum of its proper divisors (75712734720).

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

20835360000 is an equidigital number, since it uses as much as digits as its factorization.

20835360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20835360000 in words is "twenty billion, eight hundred thirty-five million, three hundred sixty thousand".