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20002220110221 = 39477040556181
BaseRepresentation
bin1001000110001001000010…
…01110010111000110001101
32121211012020002222210100020
410203010201032113012031
510110204021322011341
6110312520522452353
74133053442446266
oct443044116270615
977735202883306
1020002220110221
116411991882778
1222b06930640b9
13b21280236a1b
144d218105196d
1524a484c26566
hex12312139718d

20002220110221 has 8 divisors (see below), whose sum is σ = 26697789042144. Its totient is φ = 13320732292560.

The previous prime is 20002220110219. The next prime is 20002220110247. The reversal of 20002220110221 is 12201102220002.

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

It is not a de Polignac number, because 20002220110221 - 21 = 20002220110219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002220110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002220110291) 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, 3520275250 + ... + 3520280931.

It is an arithmetic number, because the mean of its divisors is an integer number (3337223630268).

Almost surely, 220002220110221 is an apocalyptic number.

It is an amenable number.

20002220110221 is a deficient number, since it is larger than the sum of its proper divisors (6695568931923).

20002220110221 is an equidigital number, since it uses as much as digits as its factorization.

20002220110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040557131.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002220110221 its reverse (12201102220002), we get a palindrome (32203322330223).

The spelling of 20002220110221 in words is "twenty trillion, two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 947 2841 7040556181 21121668543 6667406703407 20002220110221