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20300320131030 = 2325347877741193
BaseRepresentation
bin1001001110110100010010…
…10111101100011111010110
32122212200200012202212121200
410213122021113230133112
510130100023423143110
6111101501024453330
74163435600020002
oct447321127543726
978780605685550
1020300320131030
116517354538535
12233a40817a246
13b4340953b394
1450277dad3702
152530d06cd6c0
hex1276895ec7d6

20300320131030 has 96 divisors (see below), whose sum is σ = 52993366811424. Its totient is φ = 5391655930368.

The previous prime is 20300320131011. The next prime is 20300320131031. The reversal of 20300320131030 is 3013102300302.

20300320131030 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 0 + 320 + 1 + 310 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20300320130994 and 20300320131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300320131031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27018114 + ... + 27759306.

It is an arithmetic number, because the mean of its divisors is an integer number (552014237619).

Almost surely, 220300320131030 is an apocalyptic number.

20300320131030 is an abundant number, since it is smaller than the sum of its proper divisors (32693046680394).

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

20300320131030 is a wasteful number, since it uses less digits than its factorization.

20300320131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742430 (or 742427 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20300320131030 its reverse (3013102300302), we get a palindrome (23313422431332).

The spelling of 20300320131030 in words is "twenty trillion, three hundred billion, three hundred twenty million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 347 694 877 1041 1735 1754 2082 2631 3123 3470 4385 5205 5262 6246 7893 8770 10410 13155 15615 15786 26310 31230 39465 78930 304319 608638 741193 912957 1482386 1521595 1825914 2223579 2738871 3043190 3705965 4447158 4564785 5477742 6670737 7411930 9129570 11117895 13341474 13694355 22235790 27388710 33353685 66707370 257193971 514387942 650026261 771581913 1285969855 1300052522 1543163826 1950078783 2314745739 2571939710 3250131305 3857909565 3900157566 4629491478 5850236349 6500262610 7715819130 9750393915 11573728695 11700472698 19500787830 23147457390 29251181745 58502363490 225559112567 451118225134 676677337701 1127795562835 1353354675402 2030032013103 2255591125670 3383386688505 4060064026206 6766773377010 10150160065515 20300320131030