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20201210011112 = 231332379632561
BaseRepresentation
bin1001001011111011101011…
…11100100101110111101000
32122112012212001121010100112
410211331311330211313220
510121434034230323422
6110544150250553452
74153326546631034
oct445756574456750
978465761533315
1020201210011112
116489315452519
122323168438888
13b36c731c1000
144dba5ad171c4
1525072e671ee2
hex125f75f25de8

20201210011112 has 128 divisors (see below), whose sum is σ = 43358329728000. Its totient is φ = 8805356651520.

The previous prime is 20201210011069. The next prime is 20201210011153. The reversal of 20201210011112 is 21111001210202.

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, 31619312 + ... + 32251872.

It is an arithmetic number, because the mean of its divisors is an integer number (338736951000).

Almost surely, 220201210011112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201210011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21679164864000).

20201210011112 is an abundant number, since it is smaller than the sum of its proper divisors (23157119716888).

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

20201210011112 is a wasteful number, since it uses less digits than its factorization.

20201210011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632708 (or 632678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20201210011112 its reverse (21111001210202), we get a palindrome (41312211221314).

The spelling of 20201210011112 in words is "twenty trillion, two hundred one billion, two hundred ten million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 23 26 46 52 79 92 104 158 169 184 299 316 338 598 632 676 1027 1196 1352 1817 2054 2197 2392 3634 3887 4108 4394 7268 7774 8216 8788 13351 14536 15548 17576 23621 26702 31096 47242 50531 53404 94484 101062 106808 173563 188968 202124 307073 347126 404248 614146 632561 694252 1228292 1265122 1388504 2456584 2530244 3991949 5060488 7983898 8223293 14548903 15967796 16446586 29097806 31935592 32893172 49972319 58195612 65786344 99944638 106902809 116391224 189135739 199889276 213805618 378271478 399778552 427611236 649640147 756542956 855222472 1149363337 1299280294 1389736517 1513085912 2298726674 2458764607 2598560588 2779473034 4597453348 4917529214 5197121176 5558946068 8445321911 9194906696 9835058428 11117892136 14941723381 16890643822 19670116856 29883446762 31963939891 33781287644 59766893524 63927879782 67562575288 109789184843 119533787048 127855759564 194242403953 219578369686 255711519128 388484807906 439156739372 776969615812 878313478744 1553939231624 2525151251389 5050302502778 10100605005556 20201210011112