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20330210011 = 199971016663
BaseRepresentation
bin10010111011110001…
…100110001011011011
31221110211212200020011
4102323301212023123
5313114013210021
613201202542351
71316541635206
oct227361461333
957424780204
1020330210011
118692967761
123b346679b7
131bbcc22187
14dac0c093d
157dec45de1
hex4bbc662db

20330210011 has 4 divisors (see below), whose sum is σ = 20331246672. Its totient is φ = 20329173352.

The previous prime is 20330209981. The next prime is 20330210023. The reversal of 20330210011 is 11001203302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20330210011 - 219 = 20329685723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330209973 and 20330210000.

It is not an unprimeable number, because it can be changed into a prime (20330210711) 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, 488335 + ... + 528328.

It is an arithmetic number, because the mean of its divisors is an integer number (5082811668).

Almost surely, 220330210011 is an apocalyptic number.

20330210011 is a deficient number, since it is larger than the sum of its proper divisors (1036661).

20330210011 is a wasteful number, since it uses less digits than its factorization.

20330210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036660.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20330210011 its reverse (11001203302), we get a palindrome (31331413313).

The spelling of 20330210011 in words is "twenty billion, three hundred thirty million, two hundred ten thousand, eleven".

Divisors: 1 19997 1016663 20330210011