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20420244314 = 2174491337629
BaseRepresentation
bin10011000001001001…
…000011001101011010
31221201010021220001222
4103001021003031122
5313310040304224
613214140412042
71322014132661
oct230111031532
957633256058
1020420244314
118729771878
123b5a847022
131c05786902
14dba039dd8
157e7accb5e
hex4c124335a

20420244314 has 16 divisors (see below), whose sum is σ = 32504409000. Its totient is φ = 9588117504.

The previous prime is 20420244289. The next prime is 20420244323. The reversal of 20420244314 is 41344202402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20227950625 + 192293689 = 142225^2 + 13867^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653549 + ... + 684080.

Almost surely, 220420244314 is an apocalyptic number.

20420244314 is a deficient number, since it is larger than the sum of its proper divisors (12084164686).

20420244314 is a wasteful number, since it uses less digits than its factorization.

20420244314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338097.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20420244314 its reverse (41344202402), we get a palindrome (61764446716).

The spelling of 20420244314 in words is "twenty billion, four hundred twenty million, two hundred forty-four thousand, three hundred fourteen".

Divisors: 1 2 17 34 449 898 7633 15266 1337629 2675258 22739693 45479386 600595421 1201190842 10210122157 20420244314