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20160301620620 = 22572413083193811
BaseRepresentation
bin1001001010101111011111…
…00111011101110110001100
32122101022021002020120100202
410211113233213131312030
510120301244203324440
6110513303102113032
74150351032224330
oct445275747356614
978338232216322
1020160301620620
116472a32761237
12231725027b778
13b33153b97ca5
144d9a99c477c0
1524e638052615
hex1255ef9ddd8c

20160301620620 has 96 divisors (see below), whose sum is σ = 48601500304896. Its totient is φ = 6881154278400.

The previous prime is 20160301620617. The next prime is 20160301620637. The reversal of 20160301620620 is 2602610306102.

It is a super-2 number, since 2×201603016206202 (a number of 27 digits) contains 22 as substring.

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, 103923515 + ... + 104117325.

It is an arithmetic number, because the mean of its divisors is an integer number (506265628176).

Almost surely, 220160301620620 is an apocalyptic number.

20160301620620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20160301620620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24300750152448).

20160301620620 is an abundant number, since it is smaller than the sum of its proper divisors (28441198684276).

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

20160301620620 is a wasteful number, since it uses less digits than its factorization.

20160301620620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197151 (or 197149 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 20160301620620 its reverse (2602610306102), we get a palindrome (22762911926722).

The spelling of 20160301620620 in words is "twenty trillion, one hundred sixty billion, three hundred one million, six hundred twenty thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 241 482 964 1205 1687 2410 3083 3374 4820 6166 6748 8435 12332 15415 16870 21581 30830 33740 43162 61660 86324 107905 193811 215810 387622 431620 743003 775244 969055 1356677 1486006 1938110 2713354 2972012 3715015 3876220 5201021 5426708 6783385 7430030 10402042 13566770 14860060 20804084 26005105 27133540 46708451 52010210 93416902 104020420 186833804 233542255 326959157 467084510 597519313 653918314 934169020 1195038626 1307836628 1634795785 2390077252 2987596565 3269591570 4182635191 5975193130 6539183140 8365270382 11950386260 16730540764 20913175955 41826351910 83652703820 144002154433 288004308866 576008617732 720010772165 1008015081031 1440021544330 2016030162062 2880043088660 4032060324124 5040075405155 10080150810310 20160301620620