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20110341130420 = 22529101343297049
BaseRepresentation
bin1001001001010010011011…
…01111010100100010110100
32122012112022020202200222211
410210221031233110202310
510113441434312133140
6110434321351303204
74143632000115442
oct444511557244264
978175266680884
1020110341130420
116453825324512
12230962867ab04
13b2b52137c958
144d74ba87db92
1524d1b1db42ea
hex124a4dbd48b4

20110341130420 has 48 divisors (see below), whose sum is σ = 44120536866000. Its totient is φ = 7689853875200.

The previous prime is 20110341130381. The next prime is 20110341130423. The reversal of 20110341130420 is 2403114301102.

It can be written as a sum of positive squares in 8 ways, for example, as 187366048164 + 19922975082256 = 432858^2 + 4463516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110341130391 and 20110341130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110341130423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171589945 + ... + 171707104.

It is an arithmetic number, because the mean of its divisors is an integer number (919177851375).

Almost surely, 220110341130420 is an apocalyptic number.

20110341130420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110341130420 is an abundant number, since it is smaller than the sum of its proper divisors (24010195735580).

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

20110341130420 is a wasteful number, since it uses less digits than its factorization.

20110341130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343297188 (or 343297186 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20110341130420 its reverse (2403114301102), we get a palindrome (22513455431522).

The spelling of 20110341130420 in words is "twenty trillion, one hundred ten billion, three hundred forty-one million, one hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 101 116 145 202 290 404 505 580 1010 2020 2929 5858 11716 14645 29290 58580 343297049 686594098 1373188196 1716485245 3432970490 6865940980 9955614421 19911228842 34673001949 39822457684 49778072105 69346003898 99556144210 138692007796 173365009745 199112288420 346730019490 693460038980 1005517056521 2011034113042 4022068226084 5027585282605 10055170565210 20110341130420