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20434422310 = 252179937789
BaseRepresentation
bin10011000001111111…
…001000101000100110
31221202002222012121221
4103001333020220212
5313322203003220
613215404330554
71322245503151
oct230177105046
957662865557
1020434422310
118736775a25
123b63543a5a
131c086ac063
14dbbc8ac98
157e8e7d9aa
hex4c1fc8a26

20434422310 has 16 divisors (see below), whose sum is σ = 36798879600. Its totient is φ = 8170009056.

The previous prime is 20434422293. The next prime is 20434422311. The reversal of 20434422310 is 1322443402.

It is a happy number.

It is a super-2 number, since 2×204344223102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434422311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447105 + ... + 490684.

It is an arithmetic number, because the mean of its divisors is an integer number (2299929975).

Almost surely, 220434422310 is an apocalyptic number.

20434422310 is a deficient number, since it is larger than the sum of its proper divisors (16364457290).

20434422310 is a wasteful number, since it uses less digits than its factorization.

20434422310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939975.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20434422310 its reverse (1322443402), we get a palindrome (21756865712).

The spelling of 20434422310 in words is "twenty billion, four hundred thirty-four million, four hundred twenty-two thousand, three hundred ten".

Divisors: 1 2 5 10 2179 4358 10895 21790 937789 1875578 4688945 9377890 2043442231 4086884462 10217211155 20434422310