Search a number
-
+
20422441011 = 379071072213
BaseRepresentation
bin10011000001010001…
…011011100000110011
31221201021102111101010
4103001101123200303
5313311121103021
613214255442003
71322041612230
oct230121334063
957637374333
1020422441011
11872aa32225
123b5b526303
131c0607572b
14dba44c787
157e7db3976
hex4c145b833

20422441011 has 16 divisors (see below), whose sum is σ = 31154249984. Its totient is φ = 11657088864.

The previous prime is 20422440937. The next prime is 20422441033. The reversal of 20422441011 is 11014422402.

It is not a de Polignac number, because 20422441011 - 213 = 20422432819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20422441111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517060 + ... + 555153.

It is an arithmetic number, because the mean of its divisors is an integer number (1947140624).

Almost surely, 220422441011 is an apocalyptic number.

20422441011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20422441011 is a deficient number, since it is larger than the sum of its proper divisors (10731808973).

20422441011 is a wasteful number, since it uses less digits than its factorization.

20422441011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073130.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20422441011 its reverse (11014422402), we get a palindrome (31436863413).

The spelling of 20422441011 in words is "twenty billion, four hundred twenty-two million, four hundred forty-one thousand, eleven".

Divisors: 1 3 7 21 907 2721 6349 19047 1072213 3216639 7505491 22516473 972497191 2917491573 6807480337 20422441011