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20883620025340 = 225291491911265197
BaseRepresentation
bin1001011111110010110001…
…10000001101001111111100
32201221110021101102122211221
410233321120300031033330
510214124123211302330
6112225445205523124
74253535400223152
oct457713060151774
981843241378757
1020883620025340
11672176a084496
1224134761134a4
13b86417367137
14522ab60413d2
1526336e361b7a
hex12fe58c0d3fc

20883620025340 has 96 divisors (see below), whose sum is σ = 45911505024000. Its totient is φ = 7969317780480.

The previous prime is 20883620025329. The next prime is 20883620025347. The reversal of 20883620025340 is 4352002638802.

It is a super-2 number, since 2×208836200253402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20883620025347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15873622 + ... + 17138818.

It is an arithmetic number, because the mean of its divisors is an integer number (478244844000).

Almost surely, 220883620025340 is an apocalyptic number.

20883620025340 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 20883620025340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22955752512000).

20883620025340 is an abundant number, since it is smaller than the sum of its proper divisors (25027884998660).

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

20883620025340 is a wasteful number, since it uses less digits than its factorization.

20883620025340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265575 (or 1265573 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 20883620025340 in words is "twenty trillion, eight hundred eighty-three billion, six hundred twenty million, twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 149 191 290 298 382 580 596 745 764 955 1490 1910 2980 3820 4321 5539 8642 11078 17284 21605 22156 27695 28459 43210 55390 56918 86420 110780 113836 142295 284590 569180 825311 1265197 1650622 2530394 3301244 4126555 5060788 6325985 8253110 12651970 16506220 25303940 36690713 73381426 146762852 183453565 188514353 241652627 366907130 377028706 483305254 733814260 754057412 942571765 966610508 1208263135 1885143530 2416526270 3770287060 4833052540 5466916237 7007926183 10933832474 14015852366 21867664948 27334581185 28031704732 35039630915 36006241423 54669162370 70079261830 72012482846 109338324740 140158523660 144024965692 180031207115 360062414230 720124828460 1044181001267 2088362002534 4176724005068 5220905006335 10441810012670 20883620025340