Search a number
-
+
20112344242020 = 223251741915686543
BaseRepresentation
bin1001001001010110001010…
…01000100101011101100100
32122012201110211222022112100
410210223011020211131210
510114010040111221040
6110435252225052100
74144032432230112
oct444530510453544
978181424868470
1020112344242020
116454662aa6948
122309aa7487030
13b2b7803763a4
144d762a908ab2
1524d27cb8db30
hex124ac5225764

20112344242020 has 144 divisors (see below), whose sum is σ = 64750288861440. Its totient is φ = 5035756459008.

The previous prime is 20112344241989. The next prime is 20112344242031. The reversal of 20112344242020 is 2024244321102.

It is a happy number.

20112344242020 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 2 + 34 + 424 + 202 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 6561132 + ... + 9125411.

It is an arithmetic number, because the mean of its divisors is an integer number (449654783760).

Almost surely, 220112344242020 is an apocalyptic number.

20112344242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112344242020 is an abundant number, since it is smaller than the sum of its proper divisors (44637944619420).

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

20112344242020 is a wasteful number, since it uses less digits than its factorization.

20112344242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15686994 (or 15686989 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20112344242020 its reverse (2024244321102), we get a palindrome (22136588563122).

The spelling of 20112344242020 in words is "twenty trillion, one hundred twelve billion, three hundred forty-four million, two hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 419 510 612 765 838 1020 1257 1530 1676 2095 2514 3060 3771 4190 5028 6285 7123 7542 8380 12570 14246 15084 18855 21369 25140 28492 35615 37710 42738 64107 71230 75420 85476 106845 128214 142460 213690 256428 320535 427380 641070 1282140 15686543 31373086 47059629 62746172 78432715 94119258 141178887 156865430 188238516 235298145 266671231 282357774 313730860 470596290 533342462 564715548 705894435 800013693 941192580 1066684924 1333356155 1411788870 1600027386 2400041079 2666712310 2823577740 3200054772 4000068465 4800082158 5333424620 6572661517 8000136930 9600164316 12000205395 13145323034 16000273860 19717984551 24000410790 26290646068 32863307585 39435969102 48000821580 59153953653 65726615170 78871938204 98589922755 111735245789 118307907306 131453230340 197179845510 223470491578 236615814612 295769768265 335205737367 394359691020 446940983156 558676228945 591539536530 670411474734 1005617212101 1117352457890 1183079073060 1340822949468 1676028686835 2011234424202 2234704915780 3352057373670 4022468848404 5028086060505 6704114747340 10056172121010 20112344242020