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20630766200 = 2352113194079
BaseRepresentation
bin10011001101101100…
…001000001001111000
31222020210102111210212
4103031230020021320
5314222434004300
613251100530252
71330151422262
oct231554101170
958223374725
1020630766200
118827591000
123bb9250988
131c3a286185
14dd9d9ab32
1580b314935
hex4cdb08278

20630766200 has 192 divisors, whose sum is σ = 55550016000. Its totient is φ = 7105507200.

The previous prime is 20630766187. The next prime is 20630766293. The reversal of 20630766200 is 266703602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5055761 + ... + 5059839.

It is an arithmetic number, because the mean of its divisors is an integer number (289323000).

Almost surely, 220630766200 is an apocalyptic number.

20630766200 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 20630766200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27775008000).

20630766200 is an abundant number, since it is smaller than the sum of its proper divisors (34919249800).

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

20630766200 is a wasteful number, since it uses less digits than its factorization.

20630766200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4116 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 20630766200 in words is "twenty billion, six hundred thirty million, seven hundred sixty-six thousand, two hundred".