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20313320295 = 356720212259
BaseRepresentation
bin10010111010110001…
…001010101101100111
31221102200002120220010
4102322301022231213
5313100202222140
613155400541303
71316245242102
oct227261125547
957380076803
1020313320295
118684381214
123b2aa81833
131bb958a668
14da9b65739
157dd50b880
hex4bac4ab67

20313320295 has 16 divisors (see below), whose sum is σ = 32986408320. Its totient is φ = 10672072224.

The previous prime is 20313320243. The next prime is 20313320303. The reversal of 20313320295 is 59202331302.

It is not a de Polignac number, because 20313320295 - 26 = 20313320231 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10105125 + ... + 10107134.

It is an arithmetic number, because the mean of its divisors is an integer number (2061650520).

Almost surely, 220313320295 is an apocalyptic number.

20313320295 is a deficient number, since it is larger than the sum of its proper divisors (12673088025).

20313320295 is a wasteful number, since it uses less digits than its factorization.

20313320295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212334.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 20313320295 its reverse (59202331302), we get a palindrome (79515651597).

The spelling of 20313320295 in words is "twenty billion, three hundred thirteen million, three hundred twenty thousand, two hundred ninety-five".

Divisors: 1 3 5 15 67 201 335 1005 20212259 60636777 101061295 303183885 1354221353 4062664059 6771106765 20313320295