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20324420304 = 2432318409801
BaseRepresentation
bin10010111011011011…
…100000101011010000
31221110102222112020120
4102323123200223100
5313111022422204
613200434510240
71316441502456
oct227333405320
957412875216
1020324420304
11868a672881
123b32735380
131bbb975b06
14dab4149d6
157de4a06d9
hex4bb6e0ad0

20324420304 has 40 divisors (see below), whose sum is σ = 54787570752. Its totient is φ = 6480249600.

The previous prime is 20324420299. The next prime is 20324420323. The reversal of 20324420304 is 40302442302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9203797 + ... + 9206004.

Almost surely, 220324420304 is an apocalyptic number.

20324420304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20324420304 is an abundant number, since it is smaller than the sum of its proper divisors (34463150448).

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

20324420304 is a wasteful number, since it uses less digits than its factorization.

20324420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18409835 (or 18409829 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20324420304 its reverse (40302442302), we get a palindrome (60626862606).

The spelling of 20324420304 in words is "twenty billion, three hundred twenty-four million, four hundred twenty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 18409801 36819602 55229403 73639204 110458806 147278408 220917612 294556816 423425423 441835224 846850846 883670448 1270276269 1693701692 2540552538 3387403384 5081105076 6774806768 10162210152 20324420304