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10212222020220 = 22325115157687889
BaseRepresentation
bin1001010010011011011111…
…0111011010101001111100
31100011021112022101220011100
42110212313313122221330
52314304112314121340
633415232515253100
72102544244634313
oct224466767325174
940137468356140
1010212222020220
113287a85109980
12118b2445aa190
1359101560630c
142743ba50327a
1512a99b391830
hex949b7ddaa7c

10212222020220 has 72 divisors (see below), whose sum is σ = 33793171055280. Its totient is φ = 2475690186240.

The previous prime is 10212222020207. The next prime is 10212222020233. The reversal of 10212222020220 is 2202022221201.

10212222020220 is a `hidden beast` number, since 1 + 0 + 21 + 222 + 202 + 0 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (10212222020207) and next prime (10212222020233).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10212222020193 and 10212222020202.

It is a congruent 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, 2578841965 + ... + 2578845924.

It is an arithmetic number, because the mean of its divisors is an integer number (469349597990).

Almost surely, 210212222020220 is an apocalyptic number.

10212222020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212222020220 is an abundant number, since it is smaller than the sum of its proper divisors (23580949035060).

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

10212222020220 is a wasteful number, since it uses less digits than its factorization.

10212222020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157687915 (or 5157687910 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10212222020220 its reverse (2202022221201), we get a palindrome (12414244241421).

The spelling of 10212222020220 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 5157687889 10315375778 15473063667 20630751556 25788439445 30946127334 46419191001 51576878890 56734566779 61892254668 77365318335 92838382002 103153757780 113469133558 154730636670 170203700337 185676764004 226938267116 232095955005 283672833895 309461273340 340407400674 464191910010 510611101011 567345667790 680814801348 851018501685 928383820020 1021222202022 1134691335580 1702037003370 2042444404044 2553055505055 3404074006740 5106111010110 10212222020220