Search a number
-
+
20331331123332 = 22326931006962483
BaseRepresentation
bin1001001111101110000011…
…10001001111100010000100
32122222122201102102111201010
410213313001301033202010
510131102031231421312
6111124030134002220
74165614224061165
oct447670161174204
978878642374633
1020331331123332
116529518422a99
1223444217a6370
13b4630c1bba78
1450408250b76c
15253ce7e5a93c
hex127dc1c4f884

20331331123332 has 48 divisors (see below), whose sum is σ = 47462861396160. Its totient is φ = 6773812579968.

The previous prime is 20331331123307. The next prime is 20331331123351. The reversal of 20331331123332 is 23332113313302.

It is a self number, because there is not a number n which added to its sum of digits gives 20331331123332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325358563 + ... + 325421045.

It is an arithmetic number, because the mean of its divisors is an integer number (988809612420).

Almost surely, 220331331123332 is an apocalyptic number.

It is an amenable number.

20331331123332 is an abundant number, since it is smaller than the sum of its proper divisors (27131530272828).

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

20331331123332 is a wasteful number, since it uses less digits than its factorization.

20331331123332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75252 (or 75250 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 20331331123332 its reverse (23332113313302), we get a palindrome (43663444436634).

The spelling of 20331331123332 in words is "twenty trillion, three hundred thirty-one billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 2693 5386 8079 10069 10772 16158 20138 30207 32316 40276 60414 62483 120828 124966 187449 249932 374898 749796 27115817 54231634 81347451 108463268 162694902 168266719 325389804 336533438 504800157 629141327 673066876 1009600314 1258282654 1887423981 2019200628 2516565308 3774847962 7549695924 1694277593611 3388555187222 5082832780833 6777110374444 10165665561666 20331331123332