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20330203330 = 258392423147
BaseRepresentation
bin10010111011110001…
…100100100011000010
31221110211212100001201
4102323301210203002
5313114013001310
613201202451414
71316541606553
oct227361444302
957424770051
1020330203330
118692962738
123b34663b6a
131bbcc1c118
14dac0bc32a
157dec43e3a
hex4bbc648c2

20330203330 has 16 divisors (see below), whose sum is σ = 36637997760. Its totient is φ = 8122385392.

The previous prime is 20330203291. The next prime is 20330203351. The reversal of 20330203330 is 3330203302.

It is a junction number, because it is equal to n+sod(n) for n = 20330203298 and 20330203307.

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, 1203184 + ... + 1219963.

It is an arithmetic number, because the mean of its divisors is an integer number (2289874860).

Almost surely, 220330203330 is an apocalyptic number.

20330203330 is a deficient number, since it is larger than the sum of its proper divisors (16307794430).

20330203330 is a wasteful number, since it uses less digits than its factorization.

20330203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423993.

The product of its (nonzero) digits is 972, while the sum is 19.

Adding to 20330203330 its reverse (3330203302), we get a palindrome (23660406632).

The spelling of 20330203330 in words is "twenty billion, three hundred thirty million, two hundred three thousand, three hundred thirty".

Divisors: 1 2 5 10 839 1678 4195 8390 2423147 4846294 12115735 24231470 2033020333 4066040666 10165101665 20330203330