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220221022120 = 235114911019353
BaseRepresentation
bin1100110100011000110…
…0100001111110101000
3210001102120201001002121
43031012030201332220
512102003040201440
6245100152441024
721624165542161
oct3150614417650
9701376631077
10220221022120
1185439031430
123681b6a9174
13179c7731818
14a93189c768
155add7ed34a
hex3346321fa8

220221022120 has 64 divisors (see below), whose sum is σ = 541643941440. Its totient is φ = 79917196800.

The previous prime is 220221022093. The next prime is 220221022159. The reversal of 220221022120 is 21220122022.

It is a junction number, because it is equal to n+sod(n) for n = 220221022094 and 220221022103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293637 + ... + 725716.

It is an arithmetic number, because the mean of its divisors is an integer number (8463186585).

Almost surely, 2220221022120 is an apocalyptic number.

220221022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221022120 is an abundant number, since it is smaller than the sum of its proper divisors (321422919320).

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

220221022120 is a wasteful number, since it uses less digits than its factorization.

220221022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019866 (or 1019862 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220221022120 its reverse (21220122022), we get a palindrome (241441144142).

The spelling of 220221022120 in words is "two hundred twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 491 982 1964 2455 3928 4910 5401 9820 10802 19640 21604 27005 43208 54010 108020 216040 1019353 2038706 4077412 5096765 8154824 10193530 11212883 20387060 22425766 40774120 44851532 56064415 89703064 112128830 224257660 448515320 500502323 1001004646 2002009292 2502511615 4004018584 5005023230 5505525553 10010046460 11011051106 20020092920 22022102212 27527627765 44044204424 55055255530 110110511060 220221022120