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20330112032 = 25635316001
BaseRepresentation
bin10010111011110001…
…001110010000100000
31221110211200200211022
4102323301032100200
5313114002041112
613201200505012
71316541046436
oct227361162040
957424620738
1020330112032
11869290008a
123b3461b168
131bbcbb96b9
14dac096d56
157dec26d72
hex4bbc4e420

20330112032 has 12 divisors (see below), whose sum is σ = 40024908126. Its totient is φ = 10165056000.

The previous prime is 20330112017. The next prime is 20330112037. The reversal of 20330112032 is 23021103302.

It can be written as a sum of positive squares in only one way, i.e., 11793091216 + 8537020816 = 108596^2 + 92396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20330112032.

It is not an unprimeable number, because it can be changed into a prime (20330112037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317657969 + ... + 317658032.

Almost surely, 220330112032 is an apocalyptic number.

It is an amenable number.

20330112032 is a deficient number, since it is larger than the sum of its proper divisors (19694796094).

20330112032 is an equidigital number, since it uses as much as digits as its factorization.

20330112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635316011 (or 635316003 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20330112032 its reverse (23021103302), we get a palindrome (43351215334).

The spelling of 20330112032 in words is "twenty billion, three hundred thirty million, one hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 635316001 1270632002 2541264004 5082528008 10165056016 20330112032