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22420342154120 = 2351489657157287
BaseRepresentation
bin1010001100100001001001…
…00001111010001110001000
32221101100211012020020002012
411012100210201322032020
510414313330042412440
6115403432450155052
74502546656623521
oct506204441721610
987340735206065
1022420342154120
117164460715739
122621267282a88
13c682c96cb011
145772167bd848
1528d310561e65
hex14642487a388

22420342154120 has 64 divisors (see below), whose sum is σ = 50488212297600. Its totient is φ = 8960593628160.

The previous prime is 22420342154081. The next prime is 22420342154129. The reversal of 22420342154120 is 2145124302422.

It is not an unprimeable number, because it can be changed into a prime (22420342154129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391340117 + ... + 391397403.

It is an arithmetic number, because the mean of its divisors is an integer number (788878317150).

Almost surely, 222420342154120 is an apocalyptic number.

22420342154120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22420342154120 is an abundant number, since it is smaller than the sum of its proper divisors (28067870143480).

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

22420342154120 is a wasteful number, since it uses less digits than its factorization.

22420342154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65358 (or 65354 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22420342154120 its reverse (2145124302422), we get a palindrome (24565466456542).

The spelling of 22420342154120 in words is "twenty-two trillion, four hundred twenty billion, three hundred forty-two million, one hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1489 2978 5956 6571 7445 11912 13142 14890 26284 29780 32855 52568 57287 59560 65710 114574 131420 229148 262840 286435 458296 572870 1145740 2291480 9784219 19568438 39136876 48921095 78273752 85300343 97842190 170600686 195684380 341201372 376432877 391368760 426501715 682402744 752865754 853003430 1505731508 1706006860 1882164385 3011463016 3412013720 3764328770 7528657540 15057315080 560508553853 1121017107706 2242034215412 2802542769265 4484068430824 5605085538530 11210171077060 22420342154120