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2201210222020 = 2251953657116633
BaseRepresentation
bin100000000010000010010…
…110100111010111000100
321210102201010101011222021
4200002002112213113010
5242031034304101040
64403115542212524
7315014020113115
oct40020226472704
97712633334867
102201210222020
1177958986a777
122b6738a24144
1312c75b516644
14787795a220c
153c3d280b24a
hex200825a75c4

2201210222020 has 96 divisors (see below), whose sum is σ = 4958693873280. Its totient is φ = 818230533120.

The previous prime is 2201210222009. The next prime is 2201210222027. The reversal of 2201210222020 is 202220121022.

It is a junction number, because it is equal to n+sod(n) for n = 2201210221985 and 2201210222003.

It is not an unprimeable number, because it can be changed into a prime (2201210222027) 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, 132331624 + ... + 132348256.

It is an arithmetic number, because the mean of its divisors is an integer number (51653061180).

Almost surely, 22201210222020 is an apocalyptic number.

2201210222020 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 2201210222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479346936640).

2201210222020 is an abundant number, since it is smaller than the sum of its proper divisors (2757483651260).

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

2201210222020 is a wasteful number, since it uses less digits than its factorization.

2201210222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23285 (or 23283 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2201210222020 its reverse (202220121022), we get a palindrome (2403430343042).

The spelling of 2201210222020 in words is "two trillion, two hundred one billion, two hundred ten million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 53 76 95 106 190 212 265 380 530 1007 1060 2014 4028 5035 6571 10070 13142 16633 20140 26284 32855 33266 65710 66532 83165 124849 131420 166330 249698 316027 332660 348263 499396 624245 632054 696526 881549 1248490 1264108 1393052 1580135 1741315 1763098 2496980 3160270 3482630 3526196 4407745 6320540 6616997 6965260 8815490 13233994 16749431 17630980 26467988 33084985 33498862 66169970 66997724 83747155 109295443 132339940 167494310 218590886 334988620 437181772 546477215 1092954430 2076613417 2185908860 4153226834 5792658479 8306453668 10383067085 11585316958 20766134170 23170633916 28963292395 41532268340 57926584790 110060511101 115853169580 220121022202 440242044404 550302555505 1100605111010 2201210222020