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20201201102000 = 2453411311880581
BaseRepresentation
bin1001001011111011101010…
…11010100110110010110000
32122112012211102211111100102
410211331311122212302300
510121434024440231000
6110544145332011532
74153326411123662
oct445756532466260
978465742744312
1020201201102000
116489310417a16
122323165460ba8
13b36c713c1b49
144dba59a78532
1525072d9b23d5
hex125f756a6cb0

20201201102000 has 160 divisors (see below), whose sum is σ = 50419877796288. Its totient is φ = 7823212800000.

The previous prime is 20201201101979. The next prime is 20201201102059. The reversal of 20201201102000 is 20110210202.

It is a happy number.

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, 9801710 + ... + 11682290.

Almost surely, 220201201102000 is an apocalyptic number.

20201201102000 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 20201201102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25209938898144).

20201201102000 is an abundant number, since it is smaller than the sum of its proper divisors (30218676694288).

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

20201201102000 is a wasteful number, since it uses less digits than its factorization.

20201201102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880776 (or 1880760 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201201102000 its reverse (20110210202), we get a palindrome (20221311312202).

The spelling of 20201201102000 in words is "twenty trillion, two hundred one billion, two hundred one million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 41 50 80 82 100 125 131 164 200 205 250 262 328 400 410 500 524 655 656 820 1000 1025 1048 1310 1640 2000 2050 2096 2620 3275 3280 4100 5125 5240 5371 6550 8200 10250 10480 10742 13100 16375 16400 20500 21484 26200 26855 32750 41000 42968 52400 53710 65500 82000 85936 107420 131000 134275 214840 262000 268550 429680 537100 671375 1074200 1342750 1880581 2148400 2685500 3761162 5371000 7522324 9402905 10742000 15044648 18805810 30089296 37611620 47014525 75223240 77103821 94029050 150446480 154207642 188058100 235072625 246356111 308415284 376116200 385519105 470145250 492712222 616830568 752232400 771038210 940290500 985424444 1231780555 1233661136 1542076420 1880581000 1927595525 1970848888 2463561110 3084152840 3761162000 3855191050 3941697776 4927122220 6158902775 6168305680 7710382100 9637977625 9854244440 10100600551 12317805550 15420764200 19275955250 19708488880 20201201102 24635611100 30794513875 30841528400 38551910500 40402402204 49271222200 50503002755 61589027750 77103821000 80804804408 98542444400 101006005510 123178055500 154207642000 161609608816 202012011020 246356111000 252515013775 404024022040 492712222000 505030027550 808048044080 1010060055100 1262575068875 2020120110200 2525150137750 4040240220400 5050300275500 10100600551000 20201201102000