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120303000020 = 225717283178613
BaseRepresentation
bin111000000001010011…
…1100001100111010100
3102111112010022121101102
41300002213201213110
53432340032000040
6131133314445232
711456135425250
oct1600247414724
9374463277342
10120303000020
11470249a8565
121b395293818
13b462bc5818
145b7369b260
1531e18a8515
hex1c029e19d4

120303000020 has 96 divisors (see below), whose sum is σ = 306793122048. Its totient is φ = 38683072512.

The previous prime is 120303000007. The next prime is 120303000029. The reversal of 120303000020 is 20000303021.

It is a junction number, because it is equal to n+sod(n) for n = 120302999965 and 120303000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303000029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584234 + ... + 762846.

It is an arithmetic number, because the mean of its divisors is an integer number (3195761688).

Almost surely, 2120303000020 is an apocalyptic number.

120303000020 is a gapful number since it is divisible by the number (10) 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 120303000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153396561024).

120303000020 is an abundant number, since it is smaller than the sum of its proper divisors (186490122028).

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

120303000020 is a wasteful number, since it uses less digits than its factorization.

120303000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178929 (or 178927 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 120303000020 its reverse (20000303021), we get a palindrome (140303303041).

The spelling of 120303000020 in words is "one hundred twenty billion, three hundred three million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 283 340 476 566 595 1132 1190 1415 1981 2380 2830 3962 4811 5660 7924 9622 9905 19244 19810 24055 33677 39620 48110 67354 96220 134708 168385 178613 336770 357226 673540 714452 893065 1250291 1786130 2500582 3036421 3572260 5001164 6072842 6251455 12145684 12502910 15182105 21254947 25005820 30364210 42509894 50547479 60728420 85019788 101094958 106274735 202189916 212549470 252737395 353832353 425098940 505474790 707664706 859307143 1010949580 1415329412 1718614286 1769161765 3437228572 3538323530 4296535715 6015150001 7076647060 8593071430 12030300002 17186142860 24060600004 30075750005 60151500010 120303000020