Search a number
-
+
20102222022108 = 2231675185168509
BaseRepresentation
bin1001001001000011010011…
…10011011000010111011100
32122011202100102020021012120
410210201221303120113130
510113323322314201413
6110430455554502540
74143223541616642
oct444415163302734
978152312207176
1020102222022108
1164503392a4246
122307b41594a50
13b2a829265755
144d6d4a44d192
1524cd891dc723
hex124869cd85dc

20102222022108 has 12 divisors (see below), whose sum is σ = 46905184718280. Its totient is φ = 6700740674032.

The previous prime is 20102222022107. The next prime is 20102222022121. The reversal of 20102222022108 is 80122022220102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×201022220221082 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102222022101) 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, 837592584243 + ... + 837592584266.

It is an arithmetic number, because the mean of its divisors is an integer number (3908765393190).

Almost surely, 220102222022108 is an apocalyptic number.

It is an amenable number.

20102222022108 is an abundant number, since it is smaller than the sum of its proper divisors (26802962696172).

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

20102222022108 is a wasteful number, since it uses less digits than its factorization.

20102222022108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675185168516 (or 1675185168514 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 20102222022108 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, twenty-two thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 1675185168509 3350370337018 5025555505527 6700740674036 10051111011054 20102222022108