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222212130020 = 22547236395883
BaseRepresentation
bin1100111011110011100…
…0000000010011100100
3210020120100022210122122
43032330320000103210
512120042301130040
6250025521045112
722024423640366
oct3167470002344
9706510283578
10222212130020
118626aa55251
1237096486798
1317c540b468a
14aa800c0d36
155ba85061b5
hex33bce004e4

222212130020 has 24 divisors (see below), whose sum is σ = 476574102144. Its totient is φ = 86993684576.

The previous prime is 222212129977. The next prime is 222212130043. The reversal of 222212130020 is 20031212222.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118197002 + ... + 118198881.

It is an arithmetic number, because the mean of its divisors is an integer number (19857254256).

Almost surely, 2222212130020 is an apocalyptic number.

222212130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212130020 is an abundant number, since it is smaller than the sum of its proper divisors (254361972124).

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

222212130020 is a wasteful number, since it uses less digits than its factorization.

222212130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236395939 (or 236395937 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222212130020 its reverse (20031212222), we get a palindrome (242243342242).

The spelling of 222212130020 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 236395883 472791766 945583532 1181979415 2363958830 4727917660 11110606501 22221213002 44442426004 55553032505 111106065010 222212130020