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20002222222 = 219526374269
BaseRepresentation
bin10010101000001110…
…011011000010001110
31220121222201011120021
4102220032123002032
5311431032102342
613104445012354
71305450040453
oct225016330216
956558634507
1020002222222
118534807674
123a628540ba
131b69ca5268
14d7a70382a
157c1059567
hex4a839b08e

20002222222 has 8 divisors (see below), whose sum is σ = 31582456200. Its totient is φ = 9474736824.

The previous prime is 20002222213. The next prime is 20002222223. The reversal of 20002222222 is 22222220002.

It is a happy number.

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

20002222222 is a modest number, since divided by 222222 gives 20002 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20002222196 and 20002222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002222223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263187097 + ... + 263187172.

It is an arithmetic number, because the mean of its divisors is an integer number (3947807025).

Almost surely, 220002222222 is an apocalyptic number.

20002222222 is a deficient number, since it is larger than the sum of its proper divisors (11580233978).

20002222222 is a wasteful number, since it uses less digits than its factorization.

20002222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374290.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20002222222 its reverse (22222220002), we get a palindrome (42224442224).

It can be divided in two parts, 20002 and 222222, that multiplied together give a palindrome (4444884444).

The spelling of 20002222222 in words is "twenty billion, two million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 19 38 526374269 1052748538 10001111111 20002222222