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2020130310220 = 2251126712459173
BaseRepresentation
bin11101011001011001001…
…001100100100001001100
321011010022100120120020021
4131121121021210201030
5231044211324411340
64144011323231524
7265643466214111
oct35313111444114
97133270516207
102020130310220
11709806993900
122876216785a4
13118660c35a39
146dabc1b6908
15378353d8e4a
hex1d65926484c

2020130310220 has 72 divisors (see below), whose sum is σ = 4732592325552. Its totient is φ = 723628709760.

The previous prime is 2020130310217. The next prime is 2020130310299. The reversal of 2020130310220 is 220130310202.

It is a junction number, because it is equal to n+sod(n) for n = 2020130310194 and 2020130310203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6067447 + ... + 6391726.

It is an arithmetic number, because the mean of its divisors is an integer number (65730448966).

Almost surely, 22020130310220 is an apocalyptic number.

2020130310220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020130310220 is an abundant number, since it is smaller than the sum of its proper divisors (2712462015332).

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

2020130310220 is a wasteful number, since it uses less digits than its factorization.

2020130310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459271 (or 12459258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2020130310220 its reverse (220130310202), we get a palindrome (2240260620422).

The spelling of 2020130310220 in words is "two trillion, twenty billion, one hundred thirty million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 121 134 220 242 268 335 484 605 670 737 1210 1340 1474 2420 2948 3685 7370 8107 14740 16214 32428 40535 81070 162140 12459173 24918346 49836692 62295865 124591730 137050903 249183460 274101806 548203612 685254515 834764591 1370509030 1507559933 1669529182 2741018060 3015119866 3339058364 4173822955 6030239732 7537799665 8347645910 9182410501 15075599330 16695291820 18364821002 30151198660 36729642004 45912052505 91824105010 101006515511 183648210020 202013031022 404026062044 505032577555 1010065155110 2020130310220