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20330210132 = 22113257175013
BaseRepresentation
bin10010111011110001…
…100110001101010100
31221110211212200101122
4102323301212031110
5313114013211012
613201202543112
71316541635441
oct227361461524
957424780348
1020330210132
118692967861
123b34667a98
131bbcc2224b
14dac0c09c8
157dec45e72
hex4bbc66354

20330210132 has 24 divisors (see below), whose sum is σ = 36032582376. Its totient is φ = 10035888128.

The previous prime is 20330210027. The next prime is 20330210171. The reversal of 20330210132 is 23101203302.

It can be written as a sum of positive squares in 4 ways, for example, as 9423749776 + 10906460356 = 97076^2 + 104434^2 .

It is a super-2 number, since 2×203302101322 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20330210132.

It is a congruent number.

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, 28658 + ... + 203670.

It is an arithmetic number, because the mean of its divisors is an integer number (1501357599).

Almost surely, 220330210132 is an apocalyptic number.

It is an amenable number.

20330210132 is a deficient number, since it is larger than the sum of its proper divisors (15702372244).

20330210132 is a wasteful number, since it uses less digits than its factorization.

20330210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175387 (or 175385 counting only the distinct ones).

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

Adding to 20330210132 its reverse (23101203302), we get a palindrome (43431413434).

The spelling of 20330210132 in words is "twenty billion, three hundred thirty million, two hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 4 113 226 257 452 514 1028 29041 58082 116164 175013 350026 700052 19776469 39552938 44978341 79105876 89956682 179913364 5082552533 10165105066 20330210132