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22201201023320 = 23511266318947531
BaseRepresentation
bin1010000110001000111101…
…01100110101100101011000
32220121102011212112100101102
411003010132230311211120
510402221024430221240
6115115031351210532
74450661313013454
oct503043654654530
986542155470342
1022201201023320
11708a527214680
1225a68a9376a48
13c50744929457
1456a788507664
15287786976815
hex14311eb35958

22201201023320 has 64 divisors (see below), whose sum is σ = 54514323267840. Its totient is φ = 8070131977600.

The previous prime is 22201201023319. The next prime is 22201201023329. The reversal of 22201201023320 is 2332010210222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22201201023292 and 22201201023301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201201023329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8302046 + ... + 10645485.

It is an arithmetic number, because the mean of its divisors is an integer number (851786301060).

Almost surely, 222201201023320 is an apocalyptic number.

22201201023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201201023320 is an abundant number, since it is smaller than the sum of its proper divisors (32313122244520).

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

22201201023320 is a wasteful number, since it uses less digits than its factorization.

22201201023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950216 (or 18950212 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22201201023320 its reverse (2332010210222), we get a palindrome (24533211233542).

The spelling of 22201201023320 in words is "twenty-two trillion, two hundred one billion, two hundred one million, twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 2663 5326 10652 13315 21304 26630 29293 53260 58586 106520 117172 146465 234344 292930 585860 1171720 18947531 37895062 75790124 94737655 151580248 189475310 208422841 378950620 416845682 757901240 833691364 1042114205 1667382728 2084228410 4168456820 8336913640 50457275053 100914550106 201829100212 252286375265 403658200424 504572750530 555030025583 1009145501060 1110060051166 2018291002120 2220120102332 2775150127915 4440240204664 5550300255830 11100600511660 22201201023320