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20202110312022 = 23229374612268943
BaseRepresentation
bin1001001011111101010111…
…00110111101111001010110
32122112022011210200011000200
410211332223212331321112
510121442410214441042
6110544415451321330
74153361061232032
oct445765346757126
978468153604020
1020202110312022
11648973766a961
122323379a50246
13b37087891642
144dbb047111c2
1525078370cc4c
hex125fab9bde56

20202110312022 has 96 divisors (see below), whose sum is σ = 46605289610880. Its totient is φ = 6312378159360.

The previous prime is 20202110312011. The next prime is 20202110312047. The reversal of 20202110312022 is 22021301120202.

20202110312022 is a `hidden beast` number, since 20 + 202 + 110 + 312 + 0 + 22 = 666.

It is a super-2 number, since 2×202021103120222 (a number of 27 digits) contains 22 as substring.

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 = 20202110311986 and 20202110312004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7769283 + ... + 10038225.

It is an arithmetic number, because the mean of its divisors is an integer number (485471766780).

Almost surely, 220202110312022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202110312022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23302644805440).

20202110312022 is an abundant number, since it is smaller than the sum of its proper divisors (26403179298858).

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

20202110312022 is a wasteful number, since it uses less digits than its factorization.

20202110312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269478 (or 2269475 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20202110312022 its reverse (22021301120202), we get a palindrome (42223411432224).

The spelling of 20202110312022 in words is "twenty trillion, two hundred two billion, one hundred ten million, three hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 9 18 29 37 58 74 87 111 174 222 261 333 461 522 666 922 1073 1383 2146 2766 3219 4149 6438 8298 9657 13369 17057 19314 26738 34114 40107 51171 80214 102342 120321 153513 240642 307026 494653 989306 1483959 2268943 2967918 4451877 4537886 6806829 8903754 13613658 20420487 40840974 65799347 83950891 131598694 167901782 197398041 251852673 394796082 503705346 592194123 755558019 1045982723 1184388246 1511116038 2091965446 2434575839 3137948169 4869151678 6275896338 7303727517 9413844507 14607455034 18827689014 21911182551 30333498967 38701360751 43822365102 60666997934 77402721502 91000496901 116104082253 182000993802 232208164506 273001490703 348312246759 546002981406 696624493518 1122339461779 2244678923558 3367018385337 6734036770674 10101055156011 20202110312022