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20202210202 = 21729109187973
BaseRepresentation
bin10010110100001001…
…010100001110011010
31221010221000121111111
4102310021110032122
5312333231211302
613140351250534
71313425645006
oct226411241632
957127017444
1020202210202
118627691599
123ab9819a4a
131b9c556c45
14d990c1706
157d38b00d7
hex4b425439a

20202210202 has 32 divisors (see below), whose sum is σ = 33496966800. Its totient is φ = 9094837248.

The previous prime is 20202210191. The next prime is 20202210227. The reversal of 20202210202 is 20201220202.

It can be written as a sum of positive squares in 8 ways, for example, as 19538168841 + 664041361 = 139779^2 + 25769^2 .

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, 13488 + ... + 201460.

Almost surely, 220202210202 is an apocalyptic number.

20202210202 is a deficient number, since it is larger than the sum of its proper divisors (13294756598).

20202210202 is a wasteful number, since it uses less digits than its factorization.

20202210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188130.

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

Adding to 20202210202 its reverse (20201220202), we get a palindrome (40403430404).

The spelling of 20202210202 in words is "twenty billion, two hundred two million, two hundred ten thousand, two hundred two".

Divisors: 1 2 17 29 34 58 109 218 493 986 1853 3161 3706 6322 53737 107474 187973 375946 3195541 5451217 6391082 10902434 20489057 40978114 92670689 185341378 348313969 594182653 696627938 1188365306 10101105101 20202210202