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20230663320 = 23325722971557
BaseRepresentation
bin10010110101110101…
…110110110010011000
31221012220120011211200
4102311311312302120
5312413022211240
613143245154200
71314222541500
oct226565666230
957186504750
1020230663320
11864175586a
123b0725b960
131ba5409aca
14d9cbaaa00
157d6130930
hex4b5d76c98

20230663320 has 576 divisors, whose sum is σ = 80380123200. Its totient is φ = 4393912320.

The previous prime is 20230663319. The next prime is 20230663339. The reversal of 20230663320 is 2336603202.

20230663320 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 0 + 6 + 633 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 36320482 + ... + 36321038.

It is an arithmetic number, because the mean of its divisors is an integer number (139548825).

Almost surely, 220230663320 is an apocalyptic number.

20230663320 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 20230663320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40190061600).

20230663320 is an abundant number, since it is smaller than the sum of its proper divisors (60149459880).

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

20230663320 is a wasteful number, since it uses less digits than its factorization.

20230663320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The spelling of 20230663320 in words is "twenty billion, two hundred thirty million, six hundred sixty-three thousand, three hundred twenty".