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21200330222 = 288312004717
BaseRepresentation
bin10011101111101000…
…110101110111101110
32000201111011100202122
4103233220311313232
5321404241031342
613423404352542
71350235555631
oct235750656756
960644140678
1021200330222
118a9a040975
124137b45752
131ccb2864c6
14105189dc18
1584131e4d2
hex4efa35dee

21200330222 has 8 divisors (see below), whose sum is σ = 31836512136. Its totient is φ = 10588159512.

The previous prime is 21200330219. The next prime is 21200330231. The reversal of 21200330222 is 22203300212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21200330222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6000593 + ... + 6004124.

It is an arithmetic number, because the mean of its divisors is an integer number (3979564017).

Almost surely, 221200330222 is an apocalyptic number.

21200330222 is a deficient number, since it is larger than the sum of its proper divisors (10636181914).

21200330222 is a wasteful number, since it uses less digits than its factorization.

21200330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005602.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21200330222 its reverse (22203300212), we get a palindrome (43403630434).

The spelling of 21200330222 in words is "twenty-one billion, two hundred million, three hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 883 1766 12004717 24009434 10600165111 21200330222