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20363444416420 = 2257238293762577
BaseRepresentation
bin1001010000101001110111…
…10111101110111110100100
32200002201121110020211012121
410220110323313232332210
510132113313232311140
6111150500501155324
74201132064420320
oct450247367567644
980081543224177
1020363444416420
1165410a7554436
12234a6a43bbb44
13b49359347441
1450584b4a2980
15254a7737564a
hex12853bdeefa4

20363444416420 has 96 divisors (see below), whose sum is σ = 51003364059648. Its totient is φ = 6677383882752.

The previous prime is 20363444416411. The next prime is 20363444416421. The reversal of 20363444416420 is 2461444436302.

It is not an unprimeable number, because it can be changed into a prime (20363444416421) 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, 26322172 + ... + 27084748.

It is an arithmetic number, because the mean of its divisors is an integer number (531285042288).

Almost surely, 220363444416420 is an apocalyptic number.

20363444416420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20363444416420 is an abundant number, since it is smaller than the sum of its proper divisors (30639919643228).

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

20363444416420 is a wasteful number, since it uses less digits than its factorization.

20363444416420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770909 (or 770907 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 20363444416420 in words is "twenty trillion, three hundred sixty-three billion, four hundred forty-four million, four hundred sixteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 8293 16586 33172 41465 58051 82930 116102 165860 190739 232204 290255 381478 580510 762577 762956 953695 1161020 1335173 1525154 1907390 2670346 3050308 3812885 3814780 5338039 5340692 6675865 7625770 10676078 13351730 15251540 17539271 21352156 26690195 26703460 35078542 53380390 70157084 87696355 106760780 122774897 175392710 245549794 350785420 491099588 613874485 1227748970 2455497940 6324051061 12648102122 25296204244 31620255305 44268357427 63240510610 88536714854 126481021220 145453174403 177073429708 221341787135 290906348806 442683574270 581812697612 727265872015 885367148540 1018172220821 1454531744030 2036344441642 2909063488060 4072688883284 5090861104105 10181722208210 20363444416420