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20005550300 = 22521910529237
BaseRepresentation
bin10010101000011011…
…000111100011011100
31220122012222020211102
4102220123013203130
5311432410102200
613105044212232
71305520241351
oct225033074334
956565866742
1020005550300
11853668004a
123a6399a078
131b6a89c038
14d7ad2c628
157c14b56d5
hex4a86c78dc

20005550300 has 36 divisors (see below), whose sum is σ = 45696892920. Its totient is φ = 7581049920.

The previous prime is 20005550297. The next prime is 20005550303. The reversal of 20005550300 is 305550002.

It is an interprime number because it is at equal distance from previous prime (20005550297) and next prime (20005550303).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005550303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5262719 + ... + 5266518.

Almost surely, 220005550300 is an apocalyptic number.

20005550300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20005550300 is an abundant number, since it is smaller than the sum of its proper divisors (25691342620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005550300 is a wasteful number, since it uses less digits than its factorization.

20005550300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10529270 (or 10529263 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The spelling of 20005550300 in words is "twenty billion, five million, five hundred fifty thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 10529237 21058474 42116948 52646185 105292370 200055503 210584740 263230925 400111006 526461850 800222012 1000277515 1052923700 2000555030 4001110060 5001387575 10002775150 20005550300