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20225797707768 = 2333077333374347
BaseRepresentation
bin1001001100101001011110…
…11111001101011111111000
32122121120022121200112022020
410212110233133031133320
510122334413203122033
6111003334142354440
74155160056615612
oct446245737153770
978546277615266
1020225797707768
11649879257a984
122327a8a88ba20
13b39391198b43
144dcd10615db2
152511bd0506b3
hex12652f7cd7f8

20225797707768 has 64 divisors (see below), whose sum is σ = 50736252927360. Its totient is φ = 6719037526656.

The previous prime is 20225797707737. The next prime is 20225797707781. The reversal of 20225797707768 is 86770779752202.

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, 53842371 + ... + 54216717.

It is an arithmetic number, because the mean of its divisors is an integer number (792753951990).

Almost surely, 220225797707768 is an apocalyptic number.

It is an amenable number.

20225797707768 is an abundant number, since it is smaller than the sum of its proper divisors (30510455219592).

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

20225797707768 is a wasteful number, since it uses less digits than its factorization.

20225797707768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381996 (or 381992 counting only the distinct ones).

The product of its (nonzero) digits is 290424960, while the sum is 69.

The spelling of 20225797707768 in words is "twenty trillion, two hundred twenty-five billion, seven hundred ninety-seven million, seven hundred seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 307 614 921 1228 1842 2456 3684 7333 7368 14666 21999 29332 43998 58664 87996 175992 374347 748694 1123041 1497388 2246082 2251231 2994776 4492164 4502462 6753693 8984328 9004924 13507386 18009848 27014772 54029544 114924529 229849058 344773587 459698116 689547174 919396232 1379094348 2745086551 2758188696 5490173102 8235259653 10980346204 16470519306 21960692408 32941038612 65882077224 842741571157 1685483142314 2528224713471 3370966284628 5056449426942 6741932569256 10112898853884 20225797707768