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20201200131112 = 23711135297476237
BaseRepresentation
bin1001001011111011101010…
…10110111001110000101000
32122112012211101000011112121
410211331311112321300220
510121434024213143422
6110544145255121024
74153326366641260
oct445756526716050
978465741004477
1020201200131112
11648930a914530
122323165073174
13b36c71141c60
144dba598a47a0
1525072d86e8c7
hex125f755b9c28

20201200131112 has 128 divisors (see below), whose sum is σ = 50865875907840. Its totient is φ = 7263780065280.

The previous prime is 20201200131107. The next prime is 20201200131131. The reversal of 20201200131112 is 21113100210202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42180258 + ... + 42656494.

It is an arithmetic number, because the mean of its divisors is an integer number (397389655530).

Almost surely, 220201200131112 is an apocalyptic number.

20201200131112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201200131112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25432937953920).

20201200131112 is an abundant number, since it is smaller than the sum of its proper divisors (30664675776728).

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

20201200131112 is a wasteful number, since it uses less digits than its factorization.

20201200131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481571 (or 481567 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20201200131112 its reverse (21113100210202), we get a palindrome (41314300341314).

The spelling of 20201200131112 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 572 616 728 1001 1144 2002 4004 5297 8008 10594 21188 37079 42376 58267 68861 74158 116534 137722 148316 233068 275444 296632 407869 466136 476237 482027 550888 757471 815738 952474 964054 1514942 1631476 1904948 1928108 3029884 3262952 3333659 3809896 3856216 5238607 5302297 6059768 6191081 6667318 10477214 10604594 12382162 13334636 20954428 21209188 24764324 26669272 36670249 41908856 42418376 43337567 49528648 68101891 73340498 86675134 136203782 146680996 173350268 272407564 293361992 346700536 476713237 544815128 953426474 1906852948 2522627389 3813705896 5045254778 10090509556 17658391723 20181019112 27748901279 32794156057 35316783446 55497802558 65588312114 70633566892 110995605116 131176624228 141267133784 194242308953 221991210232 229559092399 262353248456 360735716627 388484617906 459118184798 721471433254 776969235812 918236369596 1442942866508 1553938471624 1836472739192 2525150016389 2885885733016 5050300032778 10100600065556 20201200131112