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20430211022330 = 257800612619053
BaseRepresentation
bin1001010010100110001110…
…11110000111110111111010
32200100002221112101211020112
410221103013132013313322
510134212033010203310
6111241302005224322
74206014450254124
oct451230736076772
980302845354215
1020430211022330
11656744956468a
12235b6184020a2
13b52739930445
14508b828ba214
15256683b8d705
hex1294c7787dfa

20430211022330 has 16 divisors (see below), whose sum is σ = 36774441024264. Its totient is φ = 8172070812480.

The previous prime is 20430211022267. The next prime is 20430211022341. The reversal of 20430211022330 is 3322011203402.

It can be written as a sum of positive squares in 4 ways, for example, as 13582165789201 + 6848045233129 = 3685399^2 + 2616877^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20430211022296 and 20430211022305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491084 + ... + 9110136.

Almost surely, 220430211022330 is an apocalyptic number.

20430211022330 is a deficient number, since it is larger than the sum of its proper divisors (16344230001934).

20430211022330 is a wasteful number, since it uses less digits than its factorization.

20430211022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399121.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20430211022330 its reverse (3322011203402), we get a palindrome (23752222225732).

The spelling of 20430211022330 in words is "twenty trillion, four hundred thirty billion, two hundred eleven million, twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 780061 1560122 2619053 3900305 5238106 7800610 13095265 26190530 2043021102233 4086042204466 10215105511165 20430211022330