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20430010402130 = 257674356078977
BaseRepresentation
bin1001010010100101110111…
…00000110100010101010010
32200100002102112220021001202
410221102323200310111102
510134211130130332010
6111241230041231202
74206006463104440
oct451227340642522
980302375807052
1020430010402130
11656735629876a
12235b581192502
13b527071b9a74
14508b63db5b90
152566712606a5
hex1294bb834552

20430010402130 has 32 divisors (see below), whose sum is σ = 42654725352576. Its totient is φ = 6900029097984.

The previous prime is 20430010402091. The next prime is 20430010402133. The reversal of 20430010402130 is 3120401003402.

It is a super-2 number, since 2×204300104021302 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20430010402133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178034799 + ... + 2178044178.

It is an arithmetic number, because the mean of its divisors is an integer number (1332960167268).

Almost surely, 220430010402130 is an apocalyptic number.

20430010402130 is an abundant number, since it is smaller than the sum of its proper divisors (22224714950446).

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

20430010402130 is a wasteful number, since it uses less digits than its factorization.

20430010402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356079058.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20430010402130 its reverse (3120401003402), we get a palindrome (23550411405532).

The spelling of 20430010402130 in words is "twenty trillion, four hundred thirty billion, ten million, four hundred two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 2345 4690 4356078977 8712157954 21780394885 30492552839 43560789770 60985105678 152462764195 291857291459 304925528390 583714582918 1459286457295 2043001040213 2918572914590 4086002080426 10215005201065 20430010402130