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205341402220 = 225131349224569
BaseRepresentation
bin1011111100111101001…
…1010010010001101100
3201122000121002000212021
42333033103102101230
511331014344332340
6234155454515524
720556360056143
oct2771723222154
9648017060767
10205341402220
117a0a29607a9
1233968505ba4
1316495b136c6
149d1d65275a
15551c366e4a
hex2fcf4d246c

205341402220 has 48 divisors (see below), whose sum is σ = 435755628000. Its totient is φ = 81275650560.

The previous prime is 205341402179. The next prime is 205341402239. The reversal of 205341402220 is 22204143502.

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, 802096 + ... + 1026664.

It is an arithmetic number, because the mean of its divisors is an integer number (9078242250).

Almost surely, 2205341402220 is an apocalyptic number.

205341402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205341402220 is an abundant number, since it is smaller than the sum of its proper divisors (230414225780).

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

205341402220 is a wasteful number, since it uses less digits than its factorization.

205341402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225058 (or 225056 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 205341402220 its reverse (22204143502), we get a palindrome (227545545722).

The spelling of 205341402220 in words is "two hundred five billion, three hundred forty-one million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 131 262 349 524 655 698 1310 1396 1745 2620 3490 6980 45719 91438 182876 224569 228595 449138 457190 898276 914380 1122845 2245690 4491380 29418539 58837078 78374581 117674156 147092695 156749162 294185390 313498324 391872905 588370780 783745810 1567491620 10267070111 20534140222 41068280444 51335350555 102670701110 205341402220