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20222222222020 = 22571321649513239
BaseRepresentation
bin1001001100100010110100…
…10111110100001011000100
32122121020002102210000221011
410212101122113310023010
510122310102342101040
6111001543255332004
74155002342524120
oct446213227641304
978536072700834
1020222222222020
116497218285585
122327251381004
13b38c414bcac0
144dca91808580
1525105e1d23ea
hex12645a5f42c4

20222222222020 has 96 divisors (see below), whose sum is σ = 52269182784000. Its totient is φ = 6399691905024.

The previous prime is 20222222222009. The next prime is 20222222222141. The reversal of 20222222222020 is 2022222222202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20222222221982 and 20222222222000.

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, 39144561 + ... + 39657799.

It is an arithmetic number, because the mean of its divisors is an integer number (544470654000).

Almost surely, 220222222222020 is an apocalyptic number.

20222222222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222222222020 is an abundant number, since it is smaller than the sum of its proper divisors (32046960561980).

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

20222222222020 is a wasteful number, since it uses less digits than its factorization.

20222222222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534917 (or 534915 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20222222222020 its reverse (2022222222202), we get a palindrome (22244444444222).

It can be divided in two parts, 202 and 22222222020, that added together give a palindrome (22222222222).

The spelling of 20222222222020 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 21649 43298 86596 108245 151543 216490 281437 303086 432980 513239 562874 606172 757715 1026478 1125748 1407185 1515430 1970059 2052956 2566195 2814370 3030860 3592673 3940118 5132390 5628740 6672107 7185346 7880236 9850295 10264780 13344214 14370692 17963365 19700590 26688428 33360535 35926730 39401180 46704749 66721070 71853460 93409498 133442140 186818996 233523745 467047490 934094980 11111111111 22222222222 44444444444 55555555555 77777777777 111111111110 144444444443 155555555554 222222222220 288888888886 311111111108 388888888885 577777777772 722222222215 777777777770 1011111111101 1444444444430 1555555555540 2022222222202 2888888888860 4044444444404 5055555555505 10111111111010 20222222222020