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20210102011120 = 2457237971968767
BaseRepresentation
bin1001001100001100001111…
…11100111000010011110000
32122120001210202110112020011
410212012013330320103300
510122110242103323440
6110552220453224304
74154063111450230
oct446060774702360
978501722415204
1020210102011120
11649206878875a
122324a2a332094
13b37a5c489388
144dc261c57cc0
15250aa01189ea
hex126187f384f0

20210102011120 has 160 divisors (see below), whose sum is σ = 56106296967168. Its totient is φ = 6619589796864.

The previous prime is 20210102011117. The next prime is 20210102011193. The reversal of 20210102011120 is 2111020101202.

It is a self number, because there is not a number n which added to its sum of digits gives 20210102011120.

It is a congruent number.

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, 9280977 + ... + 11249743.

Almost surely, 220210102011120 is an apocalyptic number.

20210102011120 is a gapful number since it is divisible by the number (20) 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 20210102011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28053148483584).

20210102011120 is an abundant number, since it is smaller than the sum of its proper divisors (35896194956048).

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

20210102011120 is a wasteful number, since it uses less digits than its factorization.

20210102011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969607 (or 1969601 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20210102011120 its reverse (2111020101202), we get a palindrome (22321122112322).

The spelling of 20210102011120 in words is "twenty trillion, two hundred ten billion, one hundred two million, eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 56 70 80 92 112 115 140 161 184 230 280 322 368 460 560 644 797 805 920 1288 1594 1610 1840 2576 3188 3220 3985 5579 6376 6440 7970 11158 12752 12880 15940 18331 22316 27895 31880 36662 44632 55790 63760 73324 89264 91655 111580 128317 146648 183310 223160 256634 293296 366620 446320 513268 641585 733240 1026536 1283170 1466480 1968767 2053072 2566340 3937534 5132680 7875068 9843835 10265360 13781369 15750136 19687670 27562738 31500272 39375340 45281641 55125476 68906845 78750680 90563282 110250952 137813690 157501360 181126564 220501904 226408205 275627380 316971487 362253128 452816410 551254760 633942974 724506256 905632820 1102509520 1267885948 1569107299 1584857435 1811265640 2535771896 3138214598 3169714870 3622531280 5071543792 6276429196 6339429740 7845536495 10983751093 12552858392 12678859480 15691072990 21967502186 25105716784 25357718960 31382145980 36089467877 43935004372 54918755465 62764291960 72178935754 87870008744 109837510930 125528583920 144357871508 175740017488 180447339385 219675021860 252626275139 288715743016 360894678770 439350043720 505252550278 577431486032 721789357540 878700087440 1010505100556 1263131375695 1443578715080 2021010201112 2526262751390 2887157430160 4042020402224 5052525502780 10105051005560 20210102011120