Search a number
-
+
20020200101200 = 24521311369149307
BaseRepresentation
bin1001000110101010100001…
…11010100101010101010000
32121212220122011111222011001
410203111100322211111100
510111002332211214300
6110325053012231344
74134261136034125
oct443252072452520
977786564458131
1020020200101200
116419579039052
1222b407060b554
13b22b8727ca40
144d2da8d5074c
1524ab8847b16a
hex123550ea5550

20020200101200 has 240 divisors, whose sum is σ = 52333497066816. Its totient is φ = 7315905945600.

The previous prime is 20020200101179. The next prime is 20020200101227. The reversal of 20020200101200 is 210100202002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 406006947 + ... + 406056253.

Almost surely, 220020200101200 is an apocalyptic number.

20020200101200 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 20020200101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26166748533408).

20020200101200 is an abundant number, since it is smaller than the sum of its proper divisors (32313296965616).

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

20020200101200 is a wasteful number, since it uses less digits than its factorization.

20020200101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50142 (or 50131 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20020200101200 its reverse (210100202002), we get a palindrome (20230300303202).

The spelling of 20020200101200 in words is "twenty trillion, twenty billion, two hundred million, one hundred one thousand, two hundred".