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20425316026 = 217313715173
BaseRepresentation
bin10011000001011100…
…011001011010111010
31221201110211120011011
4103001130121122322
5313312340103101
613214441224134
71322105215213
oct230134313272
957643746134
1020425316026
118731616275
123b6049204a
131c0684121b
14dba99a40a
157e8280751
hex4c17196ba

20425316026 has 32 divisors (see below), whose sum is σ = 32792227920. Its totient is φ = 9541124608.

The previous prime is 20425315969. The next prime is 20425316101. The reversal of 20425316026 is 62061352402.

It can be written as a sum of positive squares in 8 ways, for example, as 16770509001 + 3654807025 = 129501^2 + 60455^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338576 + ... + 1353748.

Almost surely, 220425316026 is an apocalyptic number.

20425316026 is a deficient number, since it is larger than the sum of its proper divisors (12366911894).

20425316026 is a wasteful number, since it uses less digits than its factorization.

20425316026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20425316026 its reverse (62061352402), we get a palindrome (82486668428).

The spelling of 20425316026 in words is "twenty billion, four hundred twenty-five million, three hundred sixteen thousand, twenty-six".

Divisors: 1 2 17 34 137 274 289 578 2329 4658 4913 9826 15173 30346 39593 79186 257941 515882 673081 1346162 2078701 4157402 4384997 8769994 35337917 70675834 74544949 149089898 600744589 1201489178 10212658013 20425316026