Search a number
-
+
20711332200 = 23352132699871
BaseRepresentation
bin10011010010011111…
…011101100101101000
31222110102000200120210
4103102133131211220
5314404100112300
613303055421120
71332150263466
oct232237354550
958412020523
1020711332200
118869009479
1240202247a0
131c50b84070
14100696d836
1581342b050
hex4d27dd968

20711332200 has 192 divisors, whose sum is σ = 69408057600. Its totient is φ = 5078707200.

The previous prime is 20711332189. The next prime is 20711332217. The reversal of 20711332200 is 223311702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2093265 + ... + 2103135.

It is an arithmetic number, because the mean of its divisors is an integer number (361500300).

Almost surely, 220711332200 is an apocalyptic number.

20711332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20711332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34704028800).

20711332200 is an abundant number, since it is smaller than the sum of its proper divisors (48696725400).

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

20711332200 is a wasteful number, since it uses less digits than its factorization.

20711332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172 (or 10163 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

Adding to 20711332200 its reverse (223311702), we get a palindrome (20934643902).

The spelling of 20711332200 in words is "twenty billion, seven hundred eleven million, three hundred thirty-two thousand, two hundred".