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20018355035 = 571016438807
BaseRepresentation
bin10010101001001011…
…111101101101011011
31220200010001210121212
4102221023331231123
5311444144330120
613110222453335
71306034132060
oct225113755533
956603053555
1020018355035
118542926478
123a6813424b
131b704333c3
14d7c902c67
157c26946c5
hex4a92fdb5b

20018355035 has 32 divisors (see below), whose sum is σ = 27771835392. Its totient is φ = 13568284800.

The previous prime is 20018355029. The next prime is 20018355037. The reversal of 20018355035 is 53055381002.

It is not a de Polignac number, because 20018355035 - 210 = 20018354011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20018354992 and 20018355010.

It is not an unprimeable number, because it can be changed into a prime (20018355037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2268602 + ... + 2277408.

It is an arithmetic number, because the mean of its divisors is an integer number (867869856).

Almost surely, 220018355035 is an apocalyptic number.

20018355035 is a deficient number, since it is larger than the sum of its proper divisors (7753480357).

20018355035 is a wasteful number, since it uses less digits than its factorization.

20018355035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 20018355035 in words is "twenty billion, eighteen million, three hundred fifty-five thousand, thirty-five".

Divisors: 1 5 7 35 101 505 643 707 3215 3535 4501 8807 22505 44035 61649 64943 308245 324715 454601 889507 2273005 4447535 5662901 6226549 28314505 31132745 39640307 198201535 571953001 2859765005 4003671007 20018355035