Search a number
-
+
20020020210220 = 2251758882412383
BaseRepresentation
bin1001000110101010001100…
…01100010110101000101100
32121212220011122000120010011
410203111012030112220230
510111002000133211340
6110325023104423004
74134253523011462
oct443250614265054
977786148016104
1020020020210220
116419496540318
1222b4020317a64
13b22b58c16684
144d2d8d0c4832
1524ab777950ea
hex123546316a2c

20020020210220 has 24 divisors (see below), whose sum is σ = 44515103762304. Its totient is φ = 7536948784896.

The previous prime is 20020020210191. The next prime is 20020020210263. The reversal of 20020020210220 is 2201202002002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020020210220.

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 7 ways as a sum of consecutive naturals, for example, 29441205852 + ... + 29441206531.

It is an arithmetic number, because the mean of its divisors is an integer number (1854795990096).

Almost surely, 220020020210220 is an apocalyptic number.

20020020210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020020210220 is an abundant number, since it is smaller than the sum of its proper divisors (24495083552084).

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

20020020210220 is a wasteful number, since it uses less digits than its factorization.

20020020210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58882412409 (or 58882412407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020020210220 its reverse (2201202002002), we get a palindrome (22221222212222).

The spelling of 20020020210220 in words is "twenty trillion, twenty billion, twenty million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 58882412383 117764824766 235529649532 294412061915 588824123830 1001001010511 1177648247660 2002002021022 4004004042044 5005005052555 10010010105110 20020020210220