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20885338041 = 313807504221
BaseRepresentation
bin10011011100110111…
…001111011110111001
31222220112110002201120
4103130313033132321
5320233121304131
613332233135453
71336362305241
oct233467173671
958815402646
1020885338041
118948257657
12406a55a589
131c7ac397b9
141021b06b21
1582384d496
hex4dcdcf7b9

20885338041 has 8 divisors (see below), whose sum is σ = 27849189504. Its totient is φ = 13922522640.

The previous prime is 20885338039. The next prime is 20885338043. The reversal of 20885338041 is 14083358802.

It is an interprime number because it is at equal distance from previous prime (20885338039) and next prime (20885338043).

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

It is not a de Polignac number, because 20885338041 - 21 = 20885338039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20885337984 and 20885338002.

It is not an unprimeable number, because it can be changed into a prime (20885338043) 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 7 ways as a sum of consecutive naturals, for example, 210690 + ... + 293531.

It is an arithmetic number, because the mean of its divisors is an integer number (3481148688).

Almost surely, 220885338041 is an apocalyptic number.

It is an amenable number.

20885338041 is a deficient number, since it is larger than the sum of its proper divisors (6963851463).

20885338041 is a wasteful number, since it uses less digits than its factorization.

20885338041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518031.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 20885338041 in words is "twenty billion, eight hundred eighty-five million, three hundred thirty-eight thousand, forty-one".

Divisors: 1 3 13807 41421 504221 1512663 6961779347 20885338041