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20320310027 = 541187720011
BaseRepresentation
bin10010111011001011…
…110101001100001011
31221110011020201000002
4102323023311030023
5313103444410102
613200210433215
71316361533243
oct227313651413
957404221002
1020320310027
118688315756
123b3129280b
131bbab66cb4
14daaa64b23
157dde3c902
hex4bb2f530b

20320310027 has 8 divisors (see below), whose sum is σ = 20369734512. Its totient is φ = 20270930400.

The previous prime is 20320309993. The next prime is 20320310029. The reversal of 20320310027 is 72001302302.

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 20320310027 - 26 = 20320309963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20320309990 and 20320310008.

It is not an unprimeable number, because it can be changed into a prime (20320310029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005452 + ... + 1025462.

It is an arithmetic number, because the mean of its divisors is an integer number (2546216814).

Almost surely, 220320310027 is an apocalyptic number.

20320310027 is a deficient number, since it is larger than the sum of its proper divisors (49424485).

20320310027 is a wasteful number, since it uses less digits than its factorization.

20320310027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22429.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 20320310027 its reverse (72001302302), we get a palindrome (92321612329).

The spelling of 20320310027 in words is "twenty billion, three hundred twenty million, three hundred ten thousand, twenty-seven".

Divisors: 1 541 1877 20011 1015457 10825951 37560647 20320310027