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20055210303 = 37804185661
BaseRepresentation
bin10010101011011000…
…100011100100111111
31220202200102020112210
4102223120203210333
5312033113212203
613114020431503
71306662321612
oct225330434477
956680366483
1020055210303
118561709377
123a78548593
131b77c6875b
14d83778179
157c5a24803
hex4ab62393f

20055210303 has 8 divisors (see below), whose sum is σ = 26740935216. Its totient is φ = 13369812800.

The previous prime is 20055210271. The next prime is 20055210313. The reversal of 20055210303 is 30301255002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20055210303 - 25 = 20055210271 is a prime.

It is a super-2 number, since 2×200552103032 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20055210303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055210313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 191293 + ... + 276953.

It is an arithmetic number, because the mean of its divisors is an integer number (3342616902).

Almost surely, 220055210303 is an apocalyptic number.

20055210303 is a deficient number, since it is larger than the sum of its proper divisors (6685724913).

20055210303 is an equidigital number, since it uses as much as digits as its factorization.

20055210303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163705.

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 20055210303 its reverse (30301255002), we get a palindrome (50356465305).

The spelling of 20055210303 in words is "twenty billion, fifty-five million, two hundred ten thousand, three hundred three".

Divisors: 1 3 78041 85661 234123 256983 6685070101 20055210303