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20424241234 = 2102110002077
BaseRepresentation
bin10011000001011000…
…010011000001010010
31221201101210221211001
4103001120103001102
5313312101204414
613214402212214
71322063120545
oct230130230122
957641727731
1020424241234
118730a51811
123b6005406a
131c06555c57
14dba79a85c
157e811c074
hex4c1613052

20424241234 has 8 divisors (see below), whose sum is σ = 30666371148. Its totient is φ = 10202117520.

The previous prime is 20424241231. The next prime is 20424241241. The reversal of 20424241234 is 43214242402.

It can be written as a sum of positive squares in 2 ways, for example, as 18726554025 + 1697687209 = 136845^2 + 41203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20424241231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4998997 + ... + 5003080.

Almost surely, 220424241234 is an apocalyptic number.

20424241234 is a deficient number, since it is larger than the sum of its proper divisors (10242129914).

20424241234 is a wasteful number, since it uses less digits than its factorization.

20424241234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003100.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20424241234 its reverse (43214242402), we get a palindrome (63638483636).

The spelling of 20424241234 in words is "twenty billion, four hundred twenty-four million, two hundred forty-one thousand, two hundred thirty-four".

Divisors: 1 2 1021 2042 10002077 20004154 10212120617 20424241234