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20302332112 = 244130948677
BaseRepresentation
bin10010111010000111…
…010000000011010000
31221101220102022221101
4102322013100003100
5313034344111422
613154325234144
71316052655426
oct227207200320
957356368841
1020302332112
118679156677
123b27262954
131bb721108a
14da8505116
157dc58ac27
hex4ba1d00d0

20302332112 has 20 divisors (see below), whose sum is σ = 40295178756. Its totient is φ = 9903576320.

The previous prime is 20302332107. The next prime is 20302332119. The reversal of 20302332112 is 21123320302.

It can be written as a sum of positive squares in 2 ways, for example, as 11230912576 + 9071419536 = 105976^2 + 95244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20302332112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302332119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15473683 + ... + 15474994.

Almost surely, 220302332112 is an apocalyptic number.

It is an amenable number.

20302332112 is a deficient number, since it is larger than the sum of its proper divisors (19992846644).

20302332112 is a wasteful number, since it uses less digits than its factorization.

20302332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30948726 (or 30948720 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20302332112 its reverse (21123320302), we get a palindrome (41425652414).

The spelling of 20302332112 in words is "twenty billion, three hundred two million, three hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 41 82 164 328 656 30948677 61897354 123794708 247589416 495178832 1268895757 2537791514 5075583028 10151166056 20302332112