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20201012106 = 2311793874379
BaseRepresentation
bin10010110100000100…
…101111101110001010
31221010211202202000120
4102310010233232022
5312332424341411
613140305444110
71313412525012
oct226404575612
957124682016
1020201012106
118626a43430
123ab9340636
131b9c227802
14d98c8cc42
157d3725106
hex4b412fb8a

20201012106 has 32 divisors (see below), whose sum is σ = 44632857600. Its totient is φ = 6044029680.

The previous prime is 20201012101. The next prime is 20201012123. The reversal of 20201012106 is 60121010202.

It is not an unprimeable number, because it can be changed into a prime (20201012101) by changing a digit.

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, 1931976 + ... + 1942403.

It is an arithmetic number, because the mean of its divisors is an integer number (1394776800).

Almost surely, 220201012106 is an apocalyptic number.

20201012106 is an abundant number, since it is smaller than the sum of its proper divisors (24431845494).

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

20201012106 is a wasteful number, since it uses less digits than its factorization.

20201012106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874474.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20201012106 its reverse (60121010202), we get a palindrome (80322022308).

The spelling of 20201012106 in words is "twenty billion, two hundred one million, twelve thousand, one hundred six".

Divisors: 1 2 3 6 11 22 33 66 79 158 237 474 869 1738 2607 5214 3874379 7748758 11623137 23246274 42618169 85236338 127854507 255709014 306075941 612151882 918227823 1836455646 3366835351 6733670702 10100506053 20201012106