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201220201202 = 2457439750069
BaseRepresentation
bin1011101101100110101…
…0001001101011110010
3201020101101022022212112
42323121222021223302
511244044332414302
6232234515125322
720352265326626
oct2733152115362
9636341268775
10201220201202
1178378615449
1232bb82a3842
1315c8a067517
149a4c18d186
15537a650552
hex2ed9a89af2

201220201202 has 16 divisors (see below), whose sum is σ = 302565599640. Its totient is φ = 100365111168.

The previous prime is 201220201199. The next prime is 201220201207. The reversal of 201220201202 is 202102022102.

It can be written as a sum of positive squares in 4 ways, for example, as 199718716201 + 1501485001 = 446899^2 + 38749^2 .

It is not an unprimeable number, because it can be changed into a prime (201220201207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3993824 + ... + 4043892.

Almost surely, 2201220201202 is an apocalyptic number.

201220201202 is a deficient number, since it is larger than the sum of its proper divisors (101345398438).

201220201202 is a wasteful number, since it uses less digits than its factorization.

201220201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54925.

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

Adding to 201220201202 its reverse (202102022102), we get a palindrome (403322223304).

The spelling of 201220201202 in words is "two hundred one billion, two hundred twenty million, two hundred one thousand, two hundred two".

Divisors: 1 2 457 914 4397 8794 50069 100138 2009429 4018858 22881533 45763066 220153393 440306786 100610100601 201220201202