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20122030200 = 2335233536717
BaseRepresentation
bin10010101111010111…
…011101000001111000
31220221100011001012210
4102233113131001320
5312202214431300
613124404535120
71311433302036
oct225727350170
956840131183
1020122030200
1185963a8128
123a969b14a0
131b88a6295c
14d8c5ad556
157cb823050
hex4af5dd078

20122030200 has 48 divisors (see below), whose sum is σ = 62378295480. Its totient is φ = 5365874560.

The previous prime is 20122030189. The next prime is 20122030207. The reversal of 20122030200 is 203022102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122030207) 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 11 ways as a sum of consecutive naturals, for example, 16767759 + ... + 16768958.

Almost surely, 220122030200 is an apocalyptic number.

20122030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122030200 is an abundant number, since it is smaller than the sum of its proper divisors (42256265280).

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

20122030200 is a wasteful number, since it uses less digits than its factorization.

20122030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33536736 (or 33536727 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20122030200 its reverse (203022102), we get a palindrome (20325052302).

The spelling of 20122030200 in words is "twenty billion, one hundred twenty-two million, thirty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 33536717 67073434 100610151 134146868 167683585 201220302 268293736 335367170 402440604 503050755 670734340 804881208 838417925 1006101510 1341468680 1676835850 2012203020 2515253775 3353671700 4024406040 5030507550 6707343400 10061015100 20122030200