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2201020222120 = 235259992116447
BaseRepresentation
bin100000000001110111000…
…001110100101010101000
321210102012212212012002221
4200001313001310222220
5242030142134101440
64403045034003424
7315006222125416
oct40016701645250
97712185765087
102201020222120
117794a1597a65
122b66a5276574
1312c72b050c75
147875c2642b6
153c3c0cc9d4a
hex20077074aa8

2201020222120 has 32 divisors (see below), whose sum is σ = 4952488320000. Its totient is φ = 880373809728.

The previous prime is 2201020222081. The next prime is 2201020222133. The reversal of 2201020222120 is 212220201022.

It is a junction number, because it is equal to n+sod(n) for n = 2201020222094 and 2201020222103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18264 + ... + 2098183.

It is an arithmetic number, because the mean of its divisors is an integer number (154765260000).

Almost surely, 22201020222120 is an apocalyptic number.

2201020222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201020222120 is an abundant number, since it is smaller than the sum of its proper divisors (2751468097880).

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

2201020222120 is a wasteful number, since it uses less digits than its factorization.

2201020222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142457 (or 2142453 counting only the distinct ones).

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

Adding to 2201020222120 its reverse (212220201022), we get a palindrome (2413240423142).

The spelling of 2201020222120 in words is "two trillion, two hundred one billion, twenty million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 25999 51998 103996 129995 207992 259990 519980 1039960 2116447 4232894 8465788 10582235 16931576 21164470 42328940 84657880 55025505553 110051011106 220102022212 275127527765 440204044424 550255055530 1100510111060 2201020222120