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20060221463 = 94372125699
BaseRepresentation
bin10010101011101011…
…101011000000010111
31220210000211211120022
4102223223223000113
5312040404041323
613114320055355
71310053032452
oct225353530027
956700754508
1020060221463
118564521327
123a7a16455b
131b79001639
14d842c0499
157c61b44c8
hex4abaeb017

20060221463 has 4 divisors (see below), whose sum is σ = 20062356600. Its totient is φ = 20058086328.

The previous prime is 20060221453. The next prime is 20060221469. The reversal of 20060221463 is 36412206002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20060221463 - 212 = 20060217367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060221469) 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, 1053413 + ... + 1072286.

It is an arithmetic number, because the mean of its divisors is an integer number (5015589150).

Almost surely, 220060221463 is an apocalyptic number.

20060221463 is a deficient number, since it is larger than the sum of its proper divisors (2135137).

20060221463 is an equidigital number, since it uses as much as digits as its factorization.

20060221463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135136.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20060221463 its reverse (36412206002), we get a palindrome (56472427465).

The spelling of 20060221463 in words is "twenty billion, sixty million, two hundred twenty-one thousand, four hundred sixty-three".

Divisors: 1 9437 2125699 20060221463