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20331200328 = 233847133347
BaseRepresentation
bin10010111011110101…
…010111111101001000
31221110220201222200120
4102323311113331020
5313114241402303
613201240103240
71316553231345
oct227365277510
957426658616
1020331200328
1186934837aa
123b34a64b20
131bc01aab6a
14dac29b7cc
157ded8e553
hex4bbd57f48

20331200328 has 16 divisors (see below), whose sum is σ = 50828000880. Its totient is φ = 6777066768.

The previous prime is 20331200327. The next prime is 20331200339. The reversal of 20331200328 is 82300213302.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 847133347 = 20331200328 / (2 + 0 + 3 + 3 + 1 + 2 + 0 + 0 + 3 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 20331200298 and 20331200307.

It is not an unprimeable number, because it can be changed into a prime (20331200327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423566650 + ... + 423566697.

It is an arithmetic number, because the mean of its divisors is an integer number (3176750055).

Almost surely, 220331200328 is an apocalyptic number.

It is an amenable number.

20331200328 is an abundant number, since it is smaller than the sum of its proper divisors (30496800552).

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

20331200328 is a wasteful number, since it uses less digits than its factorization.

20331200328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847133356 (or 847133352 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 20331200328 in words is "twenty billion, three hundred thirty-one million, two hundred thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 847133347 1694266694 2541400041 3388533388 5082800082 6777066776 10165600164 20331200328