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20330130532 = 2220261250853
BaseRepresentation
bin10010111011110001…
…010010110001100100
31221110211201122012111
4102323301102301210
5313114003134112
613201201130404
71316541154405
oct227361226144
957424648174
1020330130532
118692912a78
123b34629a04
131bbcbc4c4a
14dac09d9ac
157dec2c5a7
hex4bbc52c64

20330130532 has 12 divisors (see below), whose sum is σ = 35579626236. Its totient is φ = 10164523040.

The previous prime is 20330130487. The next prime is 20330130551. The reversal of 20330130532 is 23503103302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8757965056 + 11572165476 = 93584^2 + 107574^2 .

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 3 ways as a sum of consecutive naturals, for example, 44383 + ... + 206470.

It is an arithmetic number, because the mean of its divisors is an integer number (2964968853).

Almost surely, 220330130532 is an apocalyptic number.

It is an amenable number.

20330130532 is a deficient number, since it is larger than the sum of its proper divisors (15249495704).

20330130532 is a wasteful number, since it uses less digits than its factorization.

20330130532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271118 (or 271116 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 20330130532 its reverse (23503103302), we get a palindrome (43833233834).

The spelling of 20330130532 in words is "twenty billion, three hundred thirty million, one hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 20261 40522 81044 250853 501706 1003412 5082532633 10165065266 20330130532