Search a number
-
+
20010212012200 = 23525913912199861
BaseRepresentation
bin1001000110010111111011…
…00101000011000010101000
32121211221212002011110211211
410203023331211003002220
510110321403233342300
6110320321533002504
74133455464501124
oct443137545030250
977757762143754
1020010212012200
116415313019a43
1222b2143623434
13b21c54ba2bc7
144d26dc60c584
1524a7a16724ba
hex1232fd9430a8

20010212012200 has 96 divisors (see below), whose sum is σ = 47652660972000. Its totient is φ = 7811814355200.

The previous prime is 20010212012191. The next prime is 20010212012269. The reversal of 20010212012200 is 221021201002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459731 + ... + 7740130.

It is an arithmetic number, because the mean of its divisors is an integer number (496381885125).

Almost surely, 220010212012200 is an apocalyptic number.

20010212012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010212012200 is an abundant number, since it is smaller than the sum of its proper divisors (27642448959800).

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

20010212012200 is a wasteful number, since it uses less digits than its factorization.

20010212012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200075 (or 12200066 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010212012200 its reverse (221021201002), we get a palindrome (20231233213202).

The spelling of 20010212012200 in words is "twenty trillion, ten billion, two hundred twelve million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 59 100 118 139 200 236 278 295 472 556 590 695 1112 1180 1390 1475 2360 2780 2950 3475 5560 5900 6950 8201 11800 13900 16402 27800 32804 41005 65608 82010 164020 205025 328040 410050 820100 1640200 12199861 24399722 48799444 60999305 97598888 121998610 243997220 304996525 487994440 609993050 719791799 1219986100 1439583598 1695780679 2439972200 2879167196 3391561358 3598958995 5758334392 6783122716 7197917990 8478903395 13566245432 14395835980 16957806790 17994794975 28791671960 33915613580 35989589950 42394516975 67831227160 71979179900 84789033950 100051060061 143958359800 169578067900 200102120122 339156135800 400204240244 500255300305 800408480488 1000510600610 2001021201220 2501276501525 4002042402440 5002553003050 10005106006100 20010212012200