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220031202320 = 2453188722259
BaseRepresentation
bin1100110011101011100…
…0011011010000010000
3210000221100112012021122
43030322320123100100
512101110441433240
6245025252141412
721616402234526
oct3147270332020
9700840465248
10220031202320
1185350971a66
1236788007868
1317997300107
14a9145aa316
155acbd054b5
hex333ae1b410

220031202320 has 40 divisors (see below), whose sum is σ = 528074891520. Its totient is φ = 85173367680.

The previous prime is 220031202269. The next prime is 220031202323. The reversal of 220031202320 is 23202130022.

220031202320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (220031202323) by changing a digit.

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, 44358650 + ... + 44363609.

It is an arithmetic number, because the mean of its divisors is an integer number (13201872288).

Almost surely, 2220031202320 is an apocalyptic number.

220031202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031202320 is an abundant number, since it is smaller than the sum of its proper divisors (308043689200).

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

220031202320 is a wasteful number, since it uses less digits than its factorization.

220031202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88722303 (or 88722297 counting only the distinct ones).

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

Adding to 220031202320 its reverse (23202130022), we get a palindrome (243233332342).

The spelling of 220031202320 in words is "two hundred twenty billion, thirty-one million, two hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 88722259 177444518 354889036 443611295 709778072 887222590 1419556144 1774445180 2750390029 3548890360 5500780058 7097780720 11001560116 13751950145 22003120232 27503900290 44006240464 55007800580 110015601160 220031202320