Search a number
-
+
20220220221012 = 22327661121390271
BaseRepresentation
bin1001001100011111000110…
…00010110010011001010100
32122121000220220122211211200
410212033203002302121110
510122242002334033022
6111001012501432500
74154601623016360
oct446174302623124
978530826584750
1020220220221012
1164963901a1599
122326992a0b730
13b389b27c4a16
144dc94198c2a0
15250e93576bac
hex1263e30b2654

20220220221012 has 72 divisors (see below), whose sum is σ = 58502342126592. Its totient is φ = 5768465630400.

The previous prime is 20220220221001. The next prime is 20220220221077. The reversal of 20220220221012 is 21012202202202.

20220220221012 is a `hidden beast` number, since 2 + 0 + 220 + 220 + 2 + 210 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60528564 + ... + 60861707.

It is an arithmetic number, because the mean of its divisors is an integer number (812532529536).

Almost surely, 220220220221012 is an apocalyptic number.

It is an amenable number.

20220220221012 is an abundant number, since it is smaller than the sum of its proper divisors (38282121905580).

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

20220220221012 is a wasteful number, since it uses less digits than its factorization.

20220220221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121390949 (or 121390944 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20220220221012 its reverse (21012202202202), we get a palindrome (41232422423214).

The spelling of 20220220221012 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 661 1322 1983 2644 3966 4627 5949 7932 9254 11898 13881 18508 23796 27762 41643 55524 83286 166572 121390271 242780542 364170813 485561084 728341626 849731897 1092512439 1456683252 1699463794 2185024878 2549195691 3398927588 4370049756 5098391382 7647587073 10196782764 15295174146 30590348292 80238969131 160477938262 240716907393 320955876524 481433814786 561672783917 722150722179 962867629572 1123345567834 1444301444358 1685018351751 2246691135668 2888602888716 3370036703502 5055055055253 6740073407004 10110110110506 20220220221012