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20106433325 = 5211148749169
BaseRepresentation
bin10010101110011011…
…111101001100101101
31220220020210122022202
4102232123331030231
5312134221331300
613123050351245
71311153602066
oct225633751455
956806718282
1020106433325
118588614a50
123a9172b525
131b85761734
14d8a4ad56d
157ca291ad5
hex4ae6fd32d

20106433325 has 24 divisors (see below), whose sum is σ = 27217365120. Its totient is φ = 14612729600.

The previous prime is 20106433267. The next prime is 20106433337. The reversal of 20106433325 is 52333460102.

It is not a de Polignac number, because 20106433325 - 218 = 20106171181 is a prime.

It is a super-2 number, since 2×201064333252 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384341 + ... + 433509.

It is an arithmetic number, because the mean of its divisors is an integer number (1134056880).

Almost surely, 220106433325 is an apocalyptic number.

20106433325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20106433325 is a deficient number, since it is larger than the sum of its proper divisors (7110931795).

20106433325 is a wasteful number, since it uses less digits than its factorization.

20106433325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50677 (or 50672 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20106433325 its reverse (52333460102), we get a palindrome (72439893427).

The spelling of 20106433325 in words is "twenty billion, one hundred six million, four hundred thirty-three thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 1487 7435 16357 37175 49169 81785 245845 408925 540859 1229225 2704295 13521475 73114303 365571515 804257333 1827857575 4021286665 20106433325