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20202212200 = 2352711422691
BaseRepresentation
bin10010110100001001…
…010100101101101000
31221010221000201020111
4102310021110231220
5312333231242300
613140351304104
71313425653562
oct226411245550
957127021214
1020202212200
118627693045
123ab981b034
131b9c557b21
14d990c2332
157d38b09ba
hex4b4254b68

20202212200 has 48 divisors (see below), whose sum is σ = 47631728160. Its totient is φ = 7967064000.

The previous prime is 20202212197. The next prime is 20202212221. The reversal of 20202212200 is 221220202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697146 + ... + 725545.

It is an arithmetic number, because the mean of its divisors is an integer number (992327670).

Almost surely, 220202212200 is an apocalyptic number.

20202212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202212200 is an abundant number, since it is smaller than the sum of its proper divisors (27429515960).

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

20202212200 is a wasteful number, since it uses less digits than its factorization.

20202212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422778 (or 1422769 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20202212200 its reverse (221220202), we get a palindrome (20423432402).

The spelling of 20202212200 in words is "twenty billion, two hundred two million, two hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 142 200 284 355 568 710 1420 1775 2840 3550 7100 14200 1422691 2845382 5690764 7113455 11381528 14226910 28453820 35567275 56907640 71134550 101011061 142269100 202022122 284538200 404044244 505055305 808088488 1010110610 2020221220 2525276525 4040442440 5050553050 10101106100 20202212200