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20352321442060 = 225191091243339521
BaseRepresentation
bin1001010000010101001001…
…11000111101000100001100
32200001122220021102011212021
410220022210320331010030
510131423023242121220
6111141421041215524
74200256332614536
oct450124470750414
980048807364767
1020352321442060
116537409963143
1223484bb3315a4
13b482a5ac40ca
145050b4140856
15254625ae44aa
hex1282a4e3d10c

20352321442060 has 96 divisors (see below), whose sum is σ = 45406889035200. Its totient is φ = 7640894177280.

The previous prime is 20352321442027. The next prime is 20352321442087. The reversal of 20352321442060 is 6024412325302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514955100 + ... + 514994620.

It is an arithmetic number, because the mean of its divisors is an integer number (472988427450).

Almost surely, 220352321442060 is an apocalyptic number.

20352321442060 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 20352321442060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22703444517600).

20352321442060 is an abundant number, since it is smaller than the sum of its proper divisors (25054567593140).

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

20352321442060 is a wasteful number, since it uses less digits than its factorization.

20352321442060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52091 (or 52089 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 20352321442060 its reverse (6024412325302), we get a palindrome (26376733767362).

The spelling of 20352321442060 in words is "twenty trillion, three hundred fifty-two billion, three hundred twenty-one million, four hundred forty-two thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 109 190 218 380 436 545 1090 2071 2180 4142 8284 10355 12433 20710 24866 39521 41420 49732 62165 79042 124330 158084 197605 236227 248660 395210 472454 750899 790420 944908 1181135 1355197 1501798 2362270 2710394 3003596 3754495 4307789 4724540 5420788 6775985 7508990 8615578 13551970 15017980 17231156 21538945 25748743 27103940 43077890 51497486 81847991 86155780 102994972 128743715 163695982 257487430 327391964 409239955 491364593 514974860 818479910 982729186 1636959820 1965458372 2456822965 4913645930 9335927267 9827291860 18671854534 37343709068 46679636335 53558740637 93359272670 107117481274 186718545340 214234962548 267793703185 535587406370 1017616072103 1071174812740 2035232144206 4070464288412 5088080360515 10176160721030 20352321442060