Search a number
-
+
20012212044330 = 23511127477504463
BaseRepresentation
bin1001000110011011101001…
…10010100100001000101010
32121212011000110120122010220
410203031310302210020222
510110340002240404310
6110321252220350510
74133556161465442
oct443156462441052
977764013518126
1020012212044330
116416149a88760
1222b26013a5436
13b221b335ba7c
144d284c0b5122
1524a86c03e670
hex123374ca422a

20012212044330 has 64 divisors (see below), whose sum is σ = 52808173682688. Its totient is φ = 4813244976960.

The previous prime is 20012212044323. The next prime is 20012212044353. The reversal of 20012212044330 is 3344021221002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012212044330.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 238710322 + ... + 238794141.

It is an arithmetic number, because the mean of its divisors is an integer number (825127713792).

Almost surely, 220012212044330 is an apocalyptic number.

20012212044330 is an abundant number, since it is smaller than the sum of its proper divisors (32795961638358).

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

20012212044330 is a wasteful number, since it uses less digits than its factorization.

20012212044330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477504611.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20012212044330 its reverse (3344021221002), we get a palindrome (23356233265332).

The spelling of 20012212044330 in words is "twenty trillion, twelve billion, two hundred twelve million, forty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 127 165 254 330 381 635 762 1270 1397 1905 2794 3810 4191 6985 8382 13970 20955 41910 477504463 955008926 1432513389 2387522315 2865026778 4775044630 5252549093 7162566945 10505098186 14325133890 15757647279 26262745465 31515294558 52525490930 60643066801 78788236395 121286133602 157576472790 181929200403 303215334005 363858400806 606430668010 667073734811 909646002015 1334147469622 1819292004030 2001221204433 3335368674055 4002442408866 6670737348110 10006106022165 20012212044330