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2020110220220 = 225235237838561
BaseRepresentation
bin11101011001010111111…
…100111011101110111100
321011010020221202212221012
4131121113330323232330
5231044141204021340
64144005324454352
7265643133361511
oct35312774735674
97133227685835
102020110220220
117097a66119a4
122876169aa3b8
13118659a20671
146dab9667308
153783376b565
hex1d657f3bbbc

2020110220220 has 48 divisors (see below), whose sum is σ = 4427526858048. Its totient is φ = 772763228160.

The previous prime is 2020110220199. The next prime is 2020110220231. The reversal of 2020110220220 is 220220110202.

It is a junction number, because it is equal to n+sod(n) for n = 2020110220195 and 2020110220204.

It is a congruent number.

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, 1989740 + ... + 2828300.

It is an arithmetic number, because the mean of its divisors is an integer number (92240142876).

Almost surely, 22020110220220 is an apocalyptic number.

2020110220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020110220220 is an abundant number, since it is smaller than the sum of its proper divisors (2407416637828).

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

2020110220220 is a wasteful number, since it uses less digits than its factorization.

2020110220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843830 (or 843828 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020110220220 its reverse (220220110202), we get a palindrome (2240330330422).

The spelling of 2020110220220 in words is "two trillion, twenty billion, one hundred ten million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 5237 10474 20948 26185 52370 104740 120451 240902 481804 602255 838561 1204510 1677122 2409020 3354244 4192805 8385610 16771220 19286903 38573806 77147612 96434515 192869030 385738060 4391543957 8783087914 17566175828 21957719785 43915439570 87830879140 101005511011 202011022022 404022044044 505027555055 1010055110110 2020110220220