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20005082055772 = 2211541338398961
BaseRepresentation
bin1001000110001110010111…
…10011110100010001011100
32121211110121120020200120121
410203013023303310101130
510110230402001241042
6110314112520124324
74133214403544002
oct443071363642134
977743546220517
1020005082055772
11641312031a830
1222b11516066a4
13b21618142628
144d237319ca72
1524a5a10ea367
hex1231cbcf445c

20005082055772 has 24 divisors (see below), whose sum is σ = 38192230348272. Its totient is φ = 9093050054400.

The previous prime is 20005082055661. The next prime is 20005082055779. The reversal of 20005082055772 is 27755028050002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005082055779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817629 + ... + 6581332.

It is an arithmetic number, because the mean of its divisors is an integer number (1591342931178).

Almost surely, 220005082055772 is an apocalyptic number.

20005082055772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20005082055772 is a deficient number, since it is larger than the sum of its proper divisors (18187148292500).

20005082055772 is a wasteful number, since it uses less digits than its factorization.

20005082055772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453109 (or 8453107 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 43.

The spelling of 20005082055772 in words is "twenty trillion, five billion, eighty-two million, fifty-five thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 44 54133 108266 216532 595463 1190926 2381852 8398961 16797922 33595844 92388571 184777142 369554284 454660955813 909321911626 1818643823252 5001270513943 10002541027886 20005082055772