Search a number
-
+
22020012210220 = 2256761926547407
BaseRepresentation
bin1010000000110111011110…
…00000010111100000101100
32212222002111111210222010221
411000123233000113200230
510341233441111211340
6114455504242141124
74431615300350113
oct500335700274054
985862444728127
1022020012210220
11701a6a8917632
1225777616517a4
13c3962a9095cb
14561aba890c7a
15282bcebe244a
hex1406ef01782c

22020012210220 has 48 divisors (see below), whose sum is σ = 47008026293760. Its totient is φ = 8662524767424.

The previous prime is 22020012210199. The next prime is 22020012210227. The reversal of 22020012210220 is 2201221002022.

It is a junction number, because it is equal to n+sod(n) for n = 22020012210194 and 22020012210203.

It is not an unprimeable number, because it can be changed into a prime (22020012210227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12444244 + ... + 14103163.

It is an arithmetic number, because the mean of its divisors is an integer number (979333881120).

Almost surely, 222020012210220 is an apocalyptic number.

22020012210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020012210220 is an abundant number, since it is smaller than the sum of its proper divisors (24988014083540).

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

22020012210220 is a wasteful number, since it uses less digits than its factorization.

22020012210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26548102 (or 26548100 counting only the distinct ones).

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

Adding to 22020012210220 its reverse (2201221002022), we get a palindrome (24221233212242).

The spelling of 22020012210220 in words is "twenty-two trillion, twenty billion, twelve million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 619 670 1238 1340 2476 3095 6190 12380 41473 82946 165892 207365 414730 829460 26547407 53094814 106189628 132737035 265474070 530948140 1778676269 3557352538 7114705076 8893381345 16432844933 17786762690 32865689866 35573525380 65731379732 82164224665 164328449330 328656898660 1101000610511 2202001221022 4404002442044 5505003052555 11010006105110 22020012210220