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20522205130 = 25710322712539
BaseRepresentation
bin10011000111001101…
…111111111111001010
31221222020011001000111
4103013031333333022
5314012141031010
613232222024534
71324362602560
oct230715777712
957866131014
1020522205130
118781282509
123b88a1814a
131c20935a5b
14dc97bba30
15801a1d58a
hex4c737ffca

20522205130 has 64 divisors (see below), whose sum is σ = 42818181120. Its totient is φ = 6936623424.

The previous prime is 20522205107. The next prime is 20522205131. The reversal of 20522205130 is 3150222502.

It is not an unprimeable number, because it can be changed into a prime (20522205131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630401 + ... + 1642939.

It is an arithmetic number, because the mean of its divisors is an integer number (669034080).

Almost surely, 220522205130 is an apocalyptic number.

20522205130 is an abundant number, since it is smaller than the sum of its proper divisors (22295975990).

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

20522205130 is a wasteful number, since it uses less digits than its factorization.

20522205130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20522205130 its reverse (3150222502), we get a palindrome (23672427632).

The spelling of 20522205130 in words is "twenty billion, five hundred twenty-two million, two hundred five thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 103 206 227 454 515 721 1030 1135 1442 1589 2270 3178 3605 7210 7945 12539 15890 23381 25078 46762 62695 87773 116905 125390 163667 175546 233810 327334 438865 818335 877730 1291517 1636670 2583034 2846353 5692706 6457585 9040619 12915170 14231765 18081238 19924471 28463530 39848942 45203095 90406190 99622355 199244710 293174359 586348718 1465871795 2052220513 2931743590 4104441026 10261102565 20522205130