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20200221300 = 22352715163703
BaseRepresentation
bin10010110100000001…
…101110101001110100
31221010210021120020110
4102310001232221310
5312332224040200
613140240503020
71313403022320
oct226401565164
957123246213
1020200221300
118626553276
123ab901aa70
131b9c00b88c
14d98b24980
157d361ab50
hex4b406ea74

20200221300 has 144 divisors (see below), whose sum is σ = 67238807552. Its totient is φ = 4586544000.

The previous prime is 20200221257. The next prime is 20200221313. The reversal of 20200221300 is 312200202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285249 + ... + 348951.

Almost surely, 220200221300 is an apocalyptic number.

20200221300 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 20200221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33619403776).

20200221300 is an abundant number, since it is smaller than the sum of its proper divisors (47038586252).

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

20200221300 is a wasteful number, since it uses less digits than its factorization.

20200221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63878 (or 63871 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20200221300 its reverse (312200202), we get a palindrome (20512421502).

The spelling of 20200221300 in words is "twenty billion, two hundred million, two hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 151 175 210 300 302 350 420 453 525 604 700 755 906 1050 1057 1510 1812 2100 2114 2265 3020 3171 3775 4228 4530 5285 6342 7550 9060 10570 11325 12684 15100 15855 21140 22650 26425 31710 45300 52850 63420 63703 79275 105700 127406 158550 191109 254812 317100 318515 382218 445921 637030 764436 891842 955545 1274060 1337763 1592575 1783684 1911090 2229605 2675526 3185150 3822180 4459210 4777725 5351052 6370300 6688815 8918420 9555450 9619153 11148025 13377630 19110900 19238306 22296050 26755260 28857459 33444075 38476612 44592100 48095765 57714918 66888150 67334071 96191530 115429836 133776300 134668142 144287295 192383060 202002213 240478825 269336284 288574590 336670355 404004426 480957650 577149180 673340710 721436475 808008852 961915300 1010011065 1346681420 1442872950 1683351775 2020022130 2885745900 3366703550 4040044260 5050055325 6733407100 10100110650 20200221300