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20104023222 = 2321193936203
BaseRepresentation
bin10010101110010010…
…110000110010110110
31220220002021012021200
4102232102300302312
5312133112220342
613122522553330
71311124243413
oct225622606266
956802235250
1020104023222
118587219228
123a90968846
131b850c973a
14d8a04310a
157c9e6794c
hex4ae4b0cb6

20104023222 has 24 divisors (see below), whose sum is σ = 43595275464. Its totient is φ = 6695716704.

The previous prime is 20104023161. The next prime is 20104023227. The reversal of 20104023222 is 22232040102.

It is a super-2 number, since 2×201040232222 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20104023195 and 20104023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446628 + ... + 489575.

It is an arithmetic number, because the mean of its divisors is an integer number (1816469811).

Almost surely, 220104023222 is an apocalyptic number.

20104023222 is an abundant number, since it is smaller than the sum of its proper divisors (23491252242).

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

20104023222 is a wasteful number, since it uses less digits than its factorization.

20104023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937404 (or 937401 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20104023222 its reverse (22232040102), we get a palindrome (42336063324).

The spelling of 20104023222 in words is "twenty billion, one hundred four million, twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 1193 2386 3579 7158 10737 21474 936203 1872406 2808609 5617218 8425827 16851654 1116890179 2233780358 3350670537 6701341074 10052011611 20104023222