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20330232300 = 223252724371151
BaseRepresentation
bin10010111011110001…
…101011100111101100
31221110211220210210200
4102323301223213230
5313114014413200
613201203233500
71316542060200
oct227361534754
957424823720
1020330232300
118692982484
123b34678890
131bbcc2c371
14dac0c8b00
157dec4c800
hex4bbc6b9ec

20330232300 has 648 divisors, whose sum is σ = 77429544192. Its totient is φ = 4445280000.

The previous prime is 20330232287. The next prime is 20330232341. The reversal of 20330232300 is 323203302.

20330232300 is a `hidden beast` number, since 2 + 0 + 330 + 2 + 32 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 134637225 + ... + 134637375.

Almost surely, 220330232300 is an apocalyptic number.

20330232300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330232300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38714772096).

20330232300 is an abundant number, since it is smaller than the sum of its proper divisors (57099311892).

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

20330232300 is a wasteful number, since it uses less digits than its factorization.

20330232300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20330232300 its reverse (323203302), we get a palindrome (20653435602).

The spelling of 20330232300 in words is "twenty billion, three hundred thirty million, two hundred thirty-two thousand, three hundred".