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20130241212420 = 223519311467151597
BaseRepresentation
bin1001001001110111011111…
…11000000111000000000100
32122021102200010021121111220
410210323233320013000010
510114303213222244140
6110451412151200340
74145235100041303
oct444735770070004
978242603247456
1020130241212420
116461207408679
1223114610760b0
13b303731421c1
144d844779643a
1524d978e94bd0
hex124eefe07004

20130241212420 has 96 divisors (see below), whose sum is σ = 56662034959488. Its totient is φ = 5339749588992.

The previous prime is 20130241212397. The next prime is 20130241212451. The reversal of 20130241212420 is 2421214203102.

It is a super-2 number, since 2×201302412124202 (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, 132712062 + ... + 132863658.

It is an arithmetic number, because the mean of its divisors is an integer number (590229530828).

Almost surely, 220130241212420 is an apocalyptic number.

20130241212420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130241212420 is an abundant number, since it is smaller than the sum of its proper divisors (36531793747068).

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

20130241212420 is a wasteful number, since it uses less digits than its factorization.

20130241212420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163269 (or 163267 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20130241212420 its reverse (2421214203102), we get a palindrome (22551455415522).

The spelling of 20130241212420 in words is "twenty trillion, one hundred thirty billion, two hundred forty-one million, two hundred twelve thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 11467 11580 22934 34401 45868 57335 68802 114670 137604 151597 172005 229340 303194 344010 454791 606388 688020 757985 909582 1515970 1819164 2213131 2273955 3031940 4426262 4547910 6639393 8852524 9095820 11065655 13278786 22131310 26557572 29258221 33196965 44262620 58516442 66393930 87774663 117032884 132787860 146291105 175549326 292582210 351098652 438873315 585164420 877746630 1738362799 1755493260 3476725598 5215088397 6953451196 8691813995 10430176794 17383627990 20860353588 26075441985 34767255980 52150883970 104301767940 335504020207 671008040414 1006512060621 1342016080828 1677520101035 2013024121242 3355040202070 4026048242484 5032560303105 6710080404140 10065120606210 20130241212420