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2201101220220 = 223575240717191
BaseRepresentation
bin100000000001111011110…
…110110011100101111100
321210102102112021022121120
4200001323312303211330
5242030323403021340
64403101050030540
7315011224446450
oct40017366634574
97712375238546
102201101220220
11779533290041
122b6708418450
1312c741a70736
1478768d0a660
153c3c7e794d0
hex2007bdb397c

2201101220220 has 48 divisors (see below), whose sum is σ = 7043523906048. Its totient is φ = 503108850240.

The previous prime is 2201101220209. The next prime is 2201101220251. The reversal of 2201101220220 is 220221011022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2201101220220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620358176 + ... + 2620359015.

It is an arithmetic number, because the mean of its divisors is an integer number (146740081376).

Almost surely, 22201101220220 is an apocalyptic number.

2201101220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201101220220 is an abundant number, since it is smaller than the sum of its proper divisors (4842422685828).

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

2201101220220 is a wasteful number, since it uses less digits than its factorization.

2201101220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240717210 (or 5240717208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201101220220 its reverse (220221011022), we get a palindrome (2421322231242).

The spelling of 2201101220220 in words is "two trillion, two hundred one billion, one hundred one million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 5240717191 10481434382 15722151573 20962868764 26203585955 31444303146 36685020337 52407171910 62888606292 73370040674 78610757865 104814343820 110055061011 146740081348 157221515730 183425101685 220110122022 314443031460 366850203370 440220244044 550275305055 733700406740 1100550610110 2201101220220