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20022200200 = 2352100111001
BaseRepresentation
bin10010101001011010…
…101000011110001000
31220200101022011012101
4102221122220132020
5312001140401300
613110441123144
71306111615342
oct225132503610
956611264171
1020022200200
1185450123a2
123a694894b4
131b7117b652
14d7d224292
157c2ba3b6a
hex4a96a8788

20022200200 has 24 divisors (see below), whose sum is σ = 46551615930. Its totient is φ = 8008880000.

The previous prime is 20022200197. The next prime is 20022200207. The reversal of 20022200200 is 200222002.

It can be written as a sum of positive squares in 3 ways, for example, as 12529220356 + 7492979844 = 111934^2 + 86562^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20022200207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50055301 + ... + 50055700.

Almost surely, 220022200200 is an apocalyptic number.

20022200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022200200 is an abundant number, since it is smaller than the sum of its proper divisors (26529415730).

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

20022200200 is a wasteful number, since it uses less digits than its factorization.

20022200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100111017 (or 100111008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20022200200 its reverse (200222002), we get a palindrome (20222422202).

20022200200 divided by its reverse (200222002) gives a square (100 = 102).

The spelling of 20022200200 in words is "twenty billion, twenty-two million, two hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 100111001 200222002 400444004 500555005 800888008 1001110010 2002220020 2502775025 4004440040 5005550050 10011100100 20022200200