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20425010562 = 23211109946391
BaseRepresentation
bin10011000001011011…
…001110110110000010
31221201110021001010200
4103001123032312002
5313312300314222
613214430510030
71322102503515
oct230133166602
957643231120
1020425010562
118731427820
123b60365316
131c06765188
14dba91ad7c
157e821eeac
hex4c16ced82

20425010562 has 48 divisors (see below), whose sum is σ = 48720260160. Its totient is φ = 6132607200.

The previous prime is 20425010539. The next prime is 20425010569. The reversal of 20425010562 is 26501052402.

20425010562 is a `hidden beast` number, since 2 + 0 + 42 + 50 + 10 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (20425010569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451614 + ... + 494777.

It is an arithmetic number, because the mean of its divisors is an integer number (1015005420).

Almost surely, 220425010562 is an apocalyptic number.

20425010562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20425010562 is an abundant number, since it is smaller than the sum of its proper divisors (28295249598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20425010562 is a wasteful number, since it uses less digits than its factorization.

20425010562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946519 (or 946516 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20425010562 its reverse (26501052402), we get a palindrome (46926062964).

The spelling of 20425010562 in words is "twenty billion, four hundred twenty-five million, ten thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 109 198 218 327 654 981 1199 1962 2398 3597 7194 10791 21582 946391 1892782 2839173 5678346 8517519 10410301 17035038 20820602 31230903 62461806 93692709 103156619 187385418 206313238 309469857 618939714 928409571 1134722809 1856819142 2269445618 3404168427 6808336854 10212505281 20425010562