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20002322130 = 23571078391061
BaseRepresentation
bin10010101000001110…
…110011011011010010
31220121222220020121120
4102220032303123102
5311431043302010
613104451103110
71305450634650
oct225016633322
956558806546
1020002322130
11853487573a
123a628a1a96
131b6a00b88b
14d7a72bdd0
157c1078e70
hex4a83b36d2

20002322130 has 128 divisors (see below), whose sum is σ = 55494512640. Its totient is φ = 4519568640.

The previous prime is 20002322113. The next prime is 20002322159. The reversal of 20002322130 is 3122320002.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 63 ways as a sum of consecutive naturals, for example, 18851800 + ... + 18852860.

It is an arithmetic number, because the mean of its divisors is an integer number (433550880).

Almost surely, 220002322130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002322130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27747256320).

20002322130 is an abundant number, since it is smaller than the sum of its proper divisors (35492190510).

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

20002322130 is a wasteful number, since it uses less digits than its factorization.

20002322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20002322130 its reverse (3122320002), we get a palindrome (23124642132).

The spelling of 20002322130 in words is "twenty billion, two million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 107 210 214 321 535 642 749 839 1061 1070 1498 1605 1678 2122 2247 2517 3183 3210 3745 4195 4494 5034 5305 5873 6366 7427 7490 8390 10610 11235 11746 12585 14854 15915 17619 22281 22470 25170 29365 31830 35238 37135 44562 58730 74270 88095 89773 111405 113527 176190 179546 222810 227054 269319 340581 448865 538638 567635 628411 681162 794689 890179 897730 1135270 1256822 1346595 1589378 1702905 1780358 1885233 2384067 2670537 2693190 3142055 3405810 3770466 3973445 4450895 4768134 5341074 6231253 6284110 7946890 8901790 9426165 11920335 12462506 13352685 18693759 18852330 23840670 26705370 31156265 37387518 62312530 93468795 95249153 186937590 190498306 285747459 476245765 571494918 666744071 952491530 1333488142 1428737295 2000232213 2857474590 3333720355 4000464426 6667440710 10001161065 20002322130