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20420461063 is a prime number
BaseRepresentation
bin10011000001001001…
…111000001000000111
31221201010200220101201
4103001021320020013
5313310114223223
613214145203331
71322016024622
oct230111701007
957633626351
1020420461063
1187298aa702
123b5a930547
131c05831472
14dba094db9
157e7b21ead
hex4c1278207

20420461063 has 2 divisors, whose sum is σ = 20420461064. Its totient is φ = 20420461062.

The previous prime is 20420461057. The next prime is 20420461069. The reversal of 20420461063 is 36016402402.

It is a balanced prime because it is at equal distance from previous prime (20420461057) and next prime (20420461069).

It is a cyclic number.

It is not a de Polignac number, because 20420461063 - 217 = 20420329991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20420461069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10210230531 + 10210230532.

It is an arithmetic number, because the mean of its divisors is an integer number (10210230532).

Almost surely, 220420461063 is an apocalyptic number.

20420461063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20420461063 is an equidigital number, since it uses as much as digits as its factorization.

20420461063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20420461063 its reverse (36016402402), we get a palindrome (56436863465).

The spelling of 20420461063 in words is "twenty billion, four hundred twenty million, four hundred sixty-one thousand, sixty-three".