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20323313200 = 2452149334031
BaseRepresentation
bin10010111011010111…
…010010011000110000
31221110100220021120201
4102323113102120300
5313110232010300
613200355044544
71316426211661
oct227327223060
957410807521
1020323313200
118689a87013
123b322a0754
131bbb678c18
14dab207368
157de33266a
hex4bb5d2630

20323313200 has 60 divisors (see below), whose sum is σ = 48860899488. Its totient is φ = 8123641600.

The previous prime is 20323313183. The next prime is 20323313203. The reversal of 20323313200 is 231332302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20323313203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580185 + ... + 614215.

Almost surely, 220323313200 is an apocalyptic number.

20323313200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323313200 is an abundant number, since it is smaller than the sum of its proper divisors (28537586288).

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

20323313200 is a wasteful number, since it uses less digits than its factorization.

20323313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35542 (or 35531 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20323313200 its reverse (231332302), we get a palindrome (20554645502).

The spelling of 20323313200 in words is "twenty billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1493 2986 5972 7465 11944 14930 23888 29860 34031 37325 59720 68062 74650 119440 136124 149300 170155 272248 298600 340310 544496 597200 680620 850775 1361240 1701550 2722480 3403100 6806200 13612400 50808283 101616566 203233132 254041415 406466264 508082830 812932528 1016165660 1270207075 2032331320 2540414150 4064662640 5080828300 10161656600 20323313200