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20041322215 = 531534435507
BaseRepresentation
bin10010101010100011…
…100100111011100111
31220201201021122200011
4102222203210323213
5312021034302330
613112403031051
71306433266555
oct225243447347
956651248604
1020041322215
118554893012
123a7396b487
131b75115255
14d819a0bd5
157c46ce82a
hex4aa8e4ee7

20041322215 has 32 divisors (see below), whose sum is σ = 25355483136. Its totient is φ = 15185988480.

The previous prime is 20041322183. The next prime is 20041322221. The reversal of 20041322215 is 51222314002.

It is a happy number.

It is not a de Polignac number, because 20041322215 - 25 = 20041322183 is a prime.

It is a super-2 number, since 2×200413222152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3636492 + ... + 3641998.

It is an arithmetic number, because the mean of its divisors is an integer number (792358848).

Almost surely, 220041322215 is an apocalyptic number.

20041322215 is a deficient number, since it is larger than the sum of its proper divisors (5314160921).

20041322215 is a wasteful number, since it uses less digits than its factorization.

20041322215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20041322215 its reverse (51222314002), we get a palindrome (71263636217).

The spelling of 20041322215 in words is "twenty billion, forty-one million, three hundred twenty-two thousand, two hundred fifteen".

Divisors: 1 5 31 53 155 265 443 1643 2215 5507 8215 13733 23479 27535 68665 117395 170717 291871 727849 853585 1459355 2439601 3639245 9048001 12198005 45240005 75627631 129298853 378138155 646494265 4008264443 20041322215