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20050412230 = 2513914424757
BaseRepresentation
bin10010101011000110…
…010000001011000110
31220202100101110211101
4102223012100023012
5312030401142410
613113325530314
71306603456222
oct225306201306
956670343741
1020050412230
118559a31522
123a76a1399a
131b76c78864
14d82c89782
157c53c7d3a
hex4ab1902c6

20050412230 has 16 divisors (see below), whose sum is σ = 36350390160. Its totient is φ = 7962465312.

The previous prime is 20050412201. The next prime is 20050412243. The reversal of 20050412230 is 3221405002.

It is a junction number, because it is equal to n+sod(n) for n = 20050412198 and 20050412207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7210989 + ... + 7213768.

It is an arithmetic number, because the mean of its divisors is an integer number (2271899385).

Almost surely, 220050412230 is an apocalyptic number.

20050412230 is a deficient number, since it is larger than the sum of its proper divisors (16299977930).

20050412230 is a wasteful number, since it uses less digits than its factorization.

20050412230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14424903.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20050412230 its reverse (3221405002), we get a palindrome (23271817232).

The spelling of 20050412230 in words is "twenty billion, fifty million, four hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 139 278 695 1390 14424757 28849514 72123785 144247570 2005041223 4010082446 10025206115 20050412230