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20336686700 = 22521125497253
BaseRepresentation
bin10010111100001010…
…010011011001101100
31221111022001201120112
4102330022103121230
5313122142433300
613201553435152
71316650661531
oct227412233154
957438051515
1020336686700
1186965907a0
123b3686bab8
131bc137c135
14daccc8d88
157e05c4e35
hex4bc29366c

20336686700 has 72 divisors (see below), whose sum is σ = 48168010800. Its totient is φ = 7391238400.

The previous prime is 20336686693. The next prime is 20336686723. The reversal of 20336686700 is 768663302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2800274 + ... + 2807526.

It is an arithmetic number, because the mean of its divisors is an integer number (669000150).

Almost surely, 220336686700 is an apocalyptic number.

20336686700 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 20336686700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24084005400).

20336686700 is an abundant number, since it is smaller than the sum of its proper divisors (27831324100).

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

20336686700 is a wasteful number, since it uses less digits than its factorization.

20336686700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827 (or 9820 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 20336686700 in words is "twenty billion, three hundred thirty-six million, six hundred eighty-six thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 2549 5098 7253 10196 12745 14506 25490 28039 29012 36265 50980 56078 63725 72530 79783 112156 127450 140195 145060 159566 181325 254900 280390 319132 362650 398915 560780 700975 725300 797830 1401950 1595660 1994575 2803900 3989150 7978300 18487897 36975794 73951588 92439485 184878970 203366867 369757940 406733734 462197425 813467468 924394850 1016834335 1848789700 2033668670 4067337340 5084171675 10168343350 20336686700