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20330223103 = 70949286547
BaseRepresentation
bin10010111011110001…
…101001010111111111
31221110211220100012001
4102323301221113333
5313114014114403
613201203123131
71316542021321
oct227361512777
957424810161
1020330223103
118692976583
123b346734a7
131bbcc28118
14dac0c5611
157dec49c1d
hex4bbc695ff

20330223103 has 4 divisors (see below), whose sum is σ = 20330580600. Its totient is φ = 20329865608.

The previous prime is 20330223083. The next prime is 20330223131. The reversal of 20330223103 is 30132203302.

It is a happy number.

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 20330223103 - 25 = 20330223071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72325 + ... + 214222.

It is an arithmetic number, because the mean of its divisors is an integer number (5082645150).

Almost surely, 220330223103 is an apocalyptic number.

20330223103 is a deficient number, since it is larger than the sum of its proper divisors (357497).

20330223103 is an equidigital number, since it uses as much as digits as its factorization.

20330223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357496.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20330223103 its reverse (30132203302), we get a palindrome (50462426405).

The spelling of 20330223103 in words is "twenty billion, three hundred thirty million, two hundred twenty-three thousand, one hundred three".

Divisors: 1 70949 286547 20330223103