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20120022227 is a prime number
BaseRepresentation
bin10010101111001111…
…110010110011010011
31220221012101000210102
4102233033302303103
5312201211202402
613124253523015
71311410236634
oct225717626323
956835330712
1020120022227
118595256548
123a961a346b
131b8850b9c6
14d8c20988b
157cb578102
hex4af3f2cd3

20120022227 has 2 divisors, whose sum is σ = 20120022228. Its totient is φ = 20120022226.

The previous prime is 20120022187. The next prime is 20120022269. The reversal of 20120022227 is 72222002102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20120022227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120022199 and 20120022208.

It is not a weakly prime, because it can be changed into another prime (20120022827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060011113 + 10060011114.

It is an arithmetic number, because the mean of its divisors is an integer number (10060011114).

Almost surely, 220120022227 is an apocalyptic number.

20120022227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120022227 is an equidigital number, since it uses as much as digits as its factorization.

20120022227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 20120022227 its reverse (72222002102), we get a palindrome (92342024329).

The spelling of 20120022227 in words is "twenty billion, one hundred twenty million, twenty-two thousand, two hundred twenty-seven".