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20822822828244 = 2232712114741469
BaseRepresentation
bin1001011110000001100001…
…11101010011100011010100
32201201122100022210001021100
410233000300331103203110
510212130120121000434
6112141512302550100
74246253650454523
oct457006075234324
981648308701240
1020822822828244
1166a8a00700458
122403729298330
13b807786c8ab8
1451db897524ba
152619b1b3c699
hex12f030f538d4

20822822828244 has 54 divisors (see below), whose sum is σ = 53387255386010. Its totient is φ = 6843181151520.

The previous prime is 20822822828239. The next prime is 20822822828321. The reversal of 20822822828244 is 44282822822802.

20822822828244 is a `hidden beast` number, since 2 + 0 + 8 + 2 + 282 + 282 + 82 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20340659243844 + 482163584400 = 4510062^2 + 694380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57189259 + ... + 57552210.

Almost surely, 220822822828244 is an apocalyptic number.

It is an amenable number.

20822822828244 is an abundant number, since it is smaller than the sum of its proper divisors (32564432557766).

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

20822822828244 is a wasteful number, since it uses less digits than its factorization.

20822822828244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114741621 (or 114741545 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 54.

The spelling of 20822822828244 in words is "twenty trillion, eight hundred twenty-two billion, eight hundred twenty-two million, eight hundred twenty-eight thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 1278 2556 5041 10082 15123 20164 30246 45369 60492 90738 181476 114741469 229482938 344224407 458965876 688448814 1032673221 1376897628 2065346442 4130692884 8146644299 16293288598 24439932897 32586577196 48879865794 73319798691 97759731588 146639597382 293279194764 578411745229 1156823490458 1735235235687 2313646980916 3470470471374 5205705707061 6940940942748 10411411414122 20822822828244