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20130222037 is a prime number
BaseRepresentation
bin10010101111110110…
…101100111111010101
31220221220120020022011
4102233312230333111
5312211314101122
613125300304221
71311563030662
oct225766547725
956856506264
1020130222037
11859aa92842
123a996a2071
131b8a6704b3
14d8d702a69
157cc3e0377
hex4afdacfd5

20130222037 has 2 divisors, whose sum is σ = 20130222038. Its totient is φ = 20130222036.

The previous prime is 20130221983. The next prime is 20130222043. The reversal of 20130222037 is 73022203102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11340972036 + 8789250001 = 106494^2 + 93751^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130222037 - 215 = 20130189269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130221999 and 20130222017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130222067) 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 as a sum of consecutive naturals, namely, 10065111018 + 10065111019.

It is an arithmetic number, because the mean of its divisors is an integer number (10065111019).

Almost surely, 220130222037 is an apocalyptic number.

It is an amenable number.

20130222037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130222037 is an equidigital number, since it uses as much as digits as its factorization.

20130222037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 20130222037 its reverse (73022203102), we get a palindrome (93152425139).

The spelling of 20130222037 in words is "twenty billion, one hundred thirty million, two hundred twenty-two thousand, thirty-seven".