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200210011220 = 22511969836369
BaseRepresentation
bin1011101001110101110…
…0100101010001010100
3201010202222110100201202
42322131130211101110
511240012230324340
6231550351212032
720315251005422
oct2723534452124
9633688410652
10200210011220
11779aa37179a
1232975b17018
1315b589a017b
149993d4c112
15531bb09c15
hex2e9d725454

200210011220 has 24 divisors (see below), whose sum is σ = 420476653800. Its totient is φ = 80077217792.

The previous prime is 200210011091. The next prime is 200210011327. The reversal of 200210011220 is 22110012002.

It is a happy number.

200210011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13624025284 + 186585985936 = 116722^2 + 431956^2 .

It is a congruent number.

It is an unprimeable number.

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, 178805 + ... + 657564.

It is an arithmetic number, because the mean of its divisors is an integer number (17519860575).

Almost surely, 2200210011220 is an apocalyptic number.

200210011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200210011220 is an abundant number, since it is smaller than the sum of its proper divisors (220266642580).

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

200210011220 is a wasteful number, since it uses less digits than its factorization.

200210011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848347 (or 848345 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200210011220 its reverse (22110012002), we get a palindrome (222320023222).

The spelling of 200210011220 in words is "two hundred billion, two hundred ten million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11969 23938 47876 59845 119690 239380 836369 1672738 3345476 4181845 8363690 16727380 10010500561 20021001122 40042002244 50052502805 100105005610 200210011220