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20420113322200 = 23521710358309861
BaseRepresentation
bin1001010010010011011011…
…00110011101000011011000
32200022010212210210111201211
410221021231212131003120
510134030343002302300
6111232512012352504
74205206305236134
oct451115546350330
980263783714654
1020420113322200
11656313768a069
12235967a775734
13b517ba926257
145084a57a43c4
152562924324ba
hex12926d99d0d8

20420113322200 has 96 divisors (see below), whose sum is σ = 50757568673760. Its totient is φ = 7612935321600.

The previous prime is 20420113322197. The next prime is 20420113322201. The reversal of 20420113322200 is 222331102402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20420113322201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28804731 + ... + 29505130.

It is an arithmetic number, because the mean of its divisors is an integer number (528724673685).

Almost surely, 220420113322200 is an apocalyptic number.

20420113322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20420113322200 is an abundant number, since it is smaller than the sum of its proper divisors (30337455351560).

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

20420113322200 is a wasteful number, since it uses less digits than its factorization.

20420113322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58309997 (or 58309988 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20420113322200 its reverse (222331102402), we get a palindrome (20642444424602).

The spelling of 20420113322200 in words is "twenty trillion, four hundred twenty billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 103 136 170 200 206 340 412 425 515 680 824 850 1030 1700 1751 2060 2575 3400 3502 4120 5150 7004 8755 10300 14008 17510 20600 35020 43775 70040 87550 175100 350200 58309861 116619722 233239444 291549305 466478888 583098610 991267637 1166197220 1457746525 1982535274 2332394440 2915493050 3965070548 4956338185 5830986100 6005915683 7930141096 9912676370 11661972200 12011831366 19825352740 24023662732 24781690925 30029578415 39650705480 48047325464 49563381850 60059156830 99126763700 102100566611 120118313660 150147892075 198253527400 204201133222 240236627320 300295784150 408402266444 510502833055 600591568300 816804532888 1021005666110 1201183136600 2042011332220 2552514165275 4084022664440 5105028330550 10210056661100 20420113322200