Search a number
-
+
20123132200 = 2352487206603
BaseRepresentation
bin10010101111011011…
…101010000100101000
31220221102020000212121
4102233123222010220
5312203010212300
613124444321024
71311445541623
oct225733520450
956842200777
1020123132200
118596a90076
123a97243174
131b8905a422
14d8c7b8dba
157cb98e81a
hex4af6ea128

20123132200 has 48 divisors (see below), whose sum is σ = 46882579680. Its totient is φ = 8032685760.

The previous prime is 20123132191. The next prime is 20123132209. The reversal of 20123132200 is 223132102.

It is an interprime number because it is at equal distance from previous prime (20123132191) and next prime (20123132209).

It is not an unprimeable number, because it can be changed into a prime (20123132209) 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 11 ways as a sum of consecutive naturals, for example, 5902 + ... + 200701.

It is an arithmetic number, because the mean of its divisors is an integer number (976720410).

Almost surely, 220123132200 is an apocalyptic number.

20123132200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123132200 is an abundant number, since it is smaller than the sum of its proper divisors (26759447480).

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

20123132200 is a wasteful number, since it uses less digits than its factorization.

20123132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207106 (or 207097 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20123132200 its reverse (223132102), we get a palindrome (20346264302).

The spelling of 20123132200 in words is "twenty billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 487 974 1948 2435 3896 4870 9740 12175 19480 24350 48700 97400 206603 413206 826412 1033015 1652824 2066030 4132060 5165075 8264120 10330150 20660300 41320600 100615661 201231322 402462644 503078305 804925288 1006156610 2012313220 2515391525 4024626440 5030783050 10061566100 20123132200