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220012152 = 23354716759
BaseRepresentation
bin11010001110100…
…01111001111000
3120022222202221020
431013101321320
5422310342102
633455342440
75311033563
oct1507217170
9508882836
10220012152
11103211428
1261821a20
1336773109
14213114da
15144adbbc
hexd1d1e78

220012152 has 32 divisors (see below), whose sum is σ = 551068800. Its totient is φ = 73198944.

The previous prime is 220012103. The next prime is 220012157. The reversal of 220012152 is 251210022.

It is a super-2 number, since 2×2200121522 = 96810694055342208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749 + ... + 21507.

It is an arithmetic number, because the mean of its divisors is an integer number (17220900).

Almost surely, 2220012152 is an apocalyptic number.

It is an amenable number.

220012152 is an abundant number, since it is smaller than the sum of its proper divisors (331056648).

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

220012152 is a wasteful number, since it uses less digits than its factorization.

220012152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17315 (or 17311 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 220012152 is about 14832.8066123711. The cubic root of 220012152 is about 603.6921885242.

Adding to 220012152 its reverse (251210022), we get a palindrome (471222174).

The spelling of 220012152 in words is "two hundred twenty million, twelve thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 547 1094 1641 2188 3282 4376 6564 13128 16759 33518 50277 67036 100554 134072 201108 402216 9167173 18334346 27501519 36668692 55003038 73337384 110006076 220012152