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2020211202220 = 2251934915233081
BaseRepresentation
bin11101011001011101111…
…110001001100010101100
321011010111222210022012021
4131121131332021202230
5231044343031432340
64144023333115524
7265645500613621
oct35313576114254
97133458708167
102020211202220
117098486141a2
12287644788ba4
13118674919123
146dac8c32348
153783c566e4a
hex1d65df898ac

2020211202220 has 48 divisors (see below), whose sum is σ = 4478526108000. Its totient is φ = 763360104960.

The previous prime is 2020211202209. The next prime is 2020211202253. The reversal of 2020211202220 is 222021120202.

It is a junction number, because it is equal to n+sod(n) for n = 2020211202194 and 2020211202203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7483921 + ... + 7749160.

It is an arithmetic number, because the mean of its divisors is an integer number (93302627250).

Almost surely, 22020211202220 is an apocalyptic number.

2020211202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020211202220 is an abundant number, since it is smaller than the sum of its proper divisors (2458314905780).

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

2020211202220 is a wasteful number, since it uses less digits than its factorization.

2020211202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15233458 (or 15233456 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2020211202220 its reverse (222021120202), we get a palindrome (2242232322422).

The spelling of 2020211202220 in words is "two trillion, twenty billion, two hundred eleven million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 349 380 698 1396 1745 3490 6631 6980 13262 26524 33155 66310 132620 15233081 30466162 60932324 76165405 152330810 289428539 304661620 578857078 1157714156 1447142695 2894285390 5316345269 5788570780 10632690538 21265381076 26581726345 53163452690 101010560111 106326905380 202021120222 404042240444 505052800555 1010105601110 2020211202220