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12020201022020 = 22523203912815533
BaseRepresentation
bin1010111011101010101111…
…0011111110001001000100
31120120010020110212100102012
42232322223303332021010
53033414332430201040
641322000520033352
72350300533611312
oct256725363761104
946503213770365
1012020201022020
113914814124724
121421719002858
1369266691ba59
142d7ad08710b2
1515ca16648865
hexaeeabcfe244

12020201022020 has 48 divisors (see below), whose sum is σ = 26352838874880. Its totient is φ = 4596777542016.

The previous prime is 12020201022019. The next prime is 12020201022097. The reversal of 12020201022020 is 2022010202021.

It is a junction number, because it is equal to n+sod(n) for n = 12020201021986 and 12020201022004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5469827 + ... + 7345706.

It is an arithmetic number, because the mean of its divisors is an integer number (549017476560).

Almost surely, 212020201022020 is an apocalyptic number.

12020201022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020201022020 is an abundant number, since it is smaller than the sum of its proper divisors (14332637852860).

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

12020201022020 is a wasteful number, since it uses less digits than its factorization.

12020201022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817604 (or 12817602 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020201022020 its reverse (2022010202021), we get a palindrome (14042211224041).

The spelling of 12020201022020 in words is "twelve trillion, twenty billion, two hundred one million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2039 4078 8156 10195 20390 40780 46897 93794 187588 234485 468970 937940 12815533 25631066 51262132 64077665 128155330 256310660 294757259 589514518 1179029036 1473786295 2947572590 5895145180 26130871787 52261743574 104523487148 130654358935 261308717870 522617435740 601010051101 1202020102202 2404040204404 3005050255505 6010100511010 12020201022020