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20120113230222 = 23176771330712539
BaseRepresentation
bin1001001001100100101000…
…01100111011000110001110
32122020110112021200210211010
410210302110030323012032
510114121442441331342
6110443015153310050
74144426106441355
oct444622414730616
978213467623733
1020120113230222
11645798a42a755
12230b4b5265326
13b2c41aa94825
144d7b6663a99c
1524d584c5629c
hex124c9433b18e

20120113230222 has 128 divisors (see below), whose sum is σ = 43869046763520. Its totient is φ = 6128060843520.

The previous prime is 20120113230211. The next prime is 20120113230247. The reversal of 20120113230222 is 22203231102102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1604596429 + ... + 1604608967.

It is an arithmetic number, because the mean of its divisors is an integer number (342726927840).

Almost surely, 220120113230222 is an apocalyptic number.

20120113230222 is an abundant number, since it is smaller than the sum of its proper divisors (23748933533298).

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

20120113230222 is a wasteful number, since it uses less digits than its factorization.

20120113230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20120113230222 its reverse (22203231102102), we get a palindrome (42323344332324).

The spelling of 20120113230222 in words is "twenty trillion, one hundred twenty billion, one hundred thirteen million, two hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 67 71 102 134 142 201 213 402 426 1139 1207 2278 2414 3307 3417 3621 4757 6614 6834 7242 9514 9921 12539 14271 19842 25078 28542 37617 56219 75234 80869 112438 161738 168657 213163 221569 234797 242607 337314 426326 443138 469594 485214 639489 664707 704391 840113 890269 1278978 1329414 1408782 1680226 1780538 2520339 2670807 3766673 3991549 5040678 5341614 7533346 7983098 11300019 11974647 14281921 15134573 15731399 22600038 23949294 28563842 30269146 31462798 41466473 42845763 45403719 47194197 59648023 82932946 85691526 90807438 94388394 119296046 124399419 178944069 248798838 267433783 357888138 534867566 704930041 802301349 1014016391 1409860082 1604602698 2028032782 2114790123 2778253691 2944119583 3042049173 4229580246 5556507382 5888239166 6084098346 8334761073 8832358749 16669522146 17664717498 47230312747 50050032911 94460625494 100100065822 141690938241 150150098733 197256012061 283381876482 300300197466 394512024122 591768036183 1183536072366 3353352205037 6706704410074 10060056615111 20120113230222