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20212220102030 = 25111073472149459
BaseRepresentation
bin1001001100010000001100…
…01100110000010110001110
32122120021021101000200201122
410212020012030300112032
510122124111321231110
6110553210555240542
74154166441102335
oct446100614602616
978507241020648
1020212220102030
116492a55352810
12232531b749152
13b3800923c6c8
144dc3c3292d1c
15250b76056255
hex12620633058e

20212220102030 has 64 divisors (see below), whose sum is σ = 40062343599360. Its totient is φ = 7280850662400.

The previous prime is 20212220102023. The next prime is 20212220102047. The reversal of 20212220102030 is 3020102221202.

It is a super-2 number, since 2×202122201020302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408641441 + ... + 408690899.

It is an arithmetic number, because the mean of its divisors is an integer number (625974118740).

Almost surely, 220212220102030 is an apocalyptic number.

20212220102030 is a deficient number, since it is larger than the sum of its proper divisors (19850123497330).

20212220102030 is a wasteful number, since it uses less digits than its factorization.

20212220102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84305.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20212220102030 its reverse (3020102221202), we get a palindrome (23232322323232).

The spelling of 20212220102030 in words is "twenty trillion, two hundred twelve billion, two hundred twenty million, one hundred two thousand, thirty".

Divisors: 1 2 5 10 11 22 55 107 110 214 535 1070 1177 2354 5885 11770 34721 49459 69442 98918 173605 247295 347210 381931 494590 544049 763862 1088098 1909655 2720245 3715147 3819310 5292113 5440490 7430294 10584226 18575735 26460565 37151470 40866617 52921130 58213243 81733234 116426486 204333085 291066215 408666170 582132430 1717265939 3434531878 8586329695 17172659390 18889925329 37779850658 94449626645 183747455473 188899253290 367494910946 918737277365 1837474554730 2021222010203 4042444020406 10106110051015 20212220102030