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20320002210 = 2354116520327
BaseRepresentation
bin10010111011001010…
…101010000010100010
31221110010200001202110
4102323022222002202
5313103410032320
613200200100150
71316356111644
oct227312520242
957403601673
1020320002210
118688125462
123b31164656
131bbaa89b61
14daa9c4894
157dddcb5e0
hex4bb2aa0a2

20320002210 has 32 divisors (see below), whose sum is σ = 49957471872. Its totient is φ = 5286504320.

The previous prime is 20320002193. The next prime is 20320002229. The reversal of 20320002210 is 1220002302.

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, 8258934 + ... + 8261393.

It is an arithmetic number, because the mean of its divisors is an integer number (1561170996).

Almost surely, 220320002210 is an apocalyptic number.

20320002210 is an abundant number, since it is smaller than the sum of its proper divisors (29637469662).

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

20320002210 is a wasteful number, since it uses less digits than its factorization.

20320002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520378.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20320002210 its reverse (1220002302), we get a palindrome (21540004512).

The spelling of 20320002210 in words is "twenty billion, three hundred twenty million, two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 16520327 33040654 49560981 82601635 99121962 165203270 247804905 495609810 677333407 1354666814 2032000221 3386667035 4064000442 6773334070 10160001105 20320002210