Search a number
-
+
20002222005 = 351333481467
BaseRepresentation
bin10010101000001110…
…011010111110110101
31220121222201011021020
4102220032122332311
5311431032101010
613104445011353
71305450040023
oct225016327665
956558634236
1020002222005
118534807497
123a62853b59
131b69ca512c
14d7a703713
157c1059470
hex4a839afb5

20002222005 has 8 divisors (see below), whose sum is σ = 32003555232. Its totient is φ = 10667851728.

The previous prime is 20002221989. The next prime is 20002222007. The reversal of 20002222005 is 50022220002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20002222005 - 24 = 20002221989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1333481467 = 20002222005 / (2 + 0 + 0 + 0 + 2 + 2 + 2 + 2 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002222007) by changing a digit.

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, 666740719 + ... + 666740748.

It is an arithmetic number, because the mean of its divisors is an integer number (4000444404).

Almost surely, 220002222005 is an apocalyptic number.

It is an amenable number.

20002222005 is a deficient number, since it is larger than the sum of its proper divisors (12001333227).

20002222005 is a wasteful number, since it uses less digits than its factorization.

20002222005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333481475.

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 20002222005 its reverse (50022220002), we get a palindrome (70024442007).

The spelling of 20002222005 in words is "twenty billion, two million, two hundred twenty-two thousand, five".

Divisors: 1 3 5 15 1333481467 4000444401 6667407335 20002222005