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2202021211220 = 2254111863226367
BaseRepresentation
bin100000000010110010101…
…100010010110001010100
321210111210122101201000022
4200002302230102301110
5242034214412224340
64403332232404312
7315043065316115
oct40026254226124
97714718351008
102202021211220
11779965626986
122b6924546698
1312c85a5463cc
147881518c20c
153c42db043b5
hex200b2b12c54

2202021211220 has 48 divisors (see below), whose sum is σ = 4737451235328. Its totient is φ = 859249117440.

The previous prime is 2202021211153. The next prime is 2202021211289. The reversal of 2202021211220 is 221121202022.

It is a happy number.

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, 9614477 + ... + 9840843.

It is an arithmetic number, because the mean of its divisors is an integer number (98696900736).

Almost surely, 22202021211220 is an apocalyptic number.

2202021211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202021211220 is an abundant number, since it is smaller than the sum of its proper divisors (2535430024108).

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

2202021211220 is a wasteful number, since it uses less digits than its factorization.

2202021211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238280 (or 238278 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2202021211220 its reverse (221121202022), we get a palindrome (2423142413242).

The spelling of 2202021211220 in words is "two trillion, two hundred two billion, twenty-one million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 11863 23726 47452 59315 118630 226367 237260 452734 486383 905468 972766 1131835 1945532 2263670 2431915 4527340 4863830 9281047 9727660 18562094 37124188 46405235 92810470 185620940 2685391721 5370783442 10741566884 13426958605 26853917210 53707834420 110101060561 220202121122 440404242244 550505302805 1101010605610 2202021211220