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220016466 = 23319434987
BaseRepresentation
bin11010001110100…
…10111101010010
3120022222222212000
431013102331102
5422311011331
633455414430
75311052265
oct1507227522
9508888760
10220016466
1110321469a
1261824416
1336775077
1421312cdc
15144b00e6
hexd1d2f52

220016466 has 64 divisors (see below), whose sum is σ = 526732800. Its totient is φ = 67849488.

The previous prime is 220016453. The next prime is 220016491. The reversal of 220016466 is 664610022.

It is a happy number.

It is a super-2 number, since 2×2200164662 = 96814490622258312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41625 + ... + 46611.

It is an arithmetic number, because the mean of its divisors is an integer number (8230200).

Almost surely, 2220016466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220016466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263366400).

220016466 is an abundant number, since it is smaller than the sum of its proper divisors (306716334).

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

220016466 is a wasteful number, since it uses less digits than its factorization.

220016466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060 (or 5054 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 220016466 is about 14832.9520325524. The cubic root of 220016466 is about 603.6961342322.

Adding to 220016466 its reverse (664610022), we get a palindrome (884626488).

The spelling of 220016466 in words is "two hundred twenty million, sixteen thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 19 27 38 43 54 57 86 114 129 171 258 342 387 513 774 817 1026 1161 1634 2322 2451 4902 4987 7353 9974 14706 14961 22059 29922 44118 44883 89766 94753 134649 189506 214441 269298 284259 428882 568518 643323 852777 1286646 1705554 1929969 2558331 3859938 4074379 5116662 5789907 8148758 11579814 12223137 24446274 36669411 73338822 110008233 220016466