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20330420413 = 191736185099
BaseRepresentation
bin10010111011110010…
…011001100010111101
31221110212021100211211
4102323302121202331
5313114041423123
613201211244421
71316543502502
oct227362314275
957425240754
1020330420413
118692aa0846
123b34749711
131bbcc96b84
14dac1374a9
157dec8840d
hex4bbc998bd

20330420413 has 8 divisors (see below), whose sum is σ = 21524148000. Its totient is φ = 19149063408.

The previous prime is 20330420393. The next prime is 20330420417. The reversal of 20330420413 is 31402403302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20330420413 - 25 = 20330420381 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 (20330420417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089263 + ... + 3095836.

It is an arithmetic number, because the mean of its divisors is an integer number (2690518500).

Almost surely, 220330420413 is an apocalyptic number.

It is an amenable number.

20330420413 is a deficient number, since it is larger than the sum of its proper divisors (1193727587).

20330420413 is a wasteful number, since it uses less digits than its factorization.

20330420413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185291.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20330420413 its reverse (31402403302), we get a palindrome (51732823715).

The spelling of 20330420413 in words is "twenty billion, three hundred thirty million, four hundred twenty thousand, four hundred thirteen".

Divisors: 1 19 173 3287 6185099 117516881 1070022127 20330420413