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20106267630 = 2353191210031
BaseRepresentation
bin10010101110011011…
…010100101111101110
31220220020111020000220
4102232123110233232
5312134201031010
613123043032210
71311152312031
oct225633245756
956806436026
1020106267630
118588511509
123a9166b666
131b857041a7
14d8a469018
157ca25c970
hex4ae6d4bee

20106267630 has 32 divisors (see below), whose sum is σ = 48270394368. Its totient is φ = 5359965600.

The previous prime is 20106267607. The next prime is 20106267667. The reversal of 20106267630 is 3676260102.

It is a junction number, because it is equal to n+sod(n) for n = 20106267591 and 20106267600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9286 + ... + 200745.

It is an arithmetic number, because the mean of its divisors is an integer number (1508449824).

Almost surely, 220106267630 is an apocalyptic number.

20106267630 is an abundant number, since it is smaller than the sum of its proper divisors (28164126738).

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

20106267630 is a wasteful number, since it uses less digits than its factorization.

20106267630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213232.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 20106267630 in words is "twenty billion, one hundred six million, two hundred sixty-seven thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3191 6382 9573 15955 19146 31910 47865 95730 210031 420062 630093 1050155 1260186 2100310 3150465 6300930 670208921 1340417842 2010626763 3351044605 4021253526 6702089210 10053133815 20106267630