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20323241200 = 245250808103
BaseRepresentation
bin10010111011010111…
…000000110011110000
31221110100202121211001
4102323113000303300
5313110222204300
613200353331344
71316425462033
oct227327006360
957410677731
1020323241200
118689a37a09
123b32266b54
131bbb652212
14dab1c901a
157de31b16a
hex4bb5c0cf0

20323241200 has 30 divisors (see below), whose sum is σ = 48826587944. Its totient is φ = 8129296320.

The previous prime is 20323241153. The next prime is 20323241233. The reversal of 20323241200 is 214232302.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 25403652 + ... + 25404451.

Almost surely, 220323241200 is an apocalyptic number.

20323241200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323241200 is an abundant number, since it is smaller than the sum of its proper divisors (28503346744).

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

20323241200 is a wasteful number, since it uses less digits than its factorization.

20323241200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50808121 (or 50808110 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20323241200 its reverse (214232302), we get a palindrome (20537473502).

The spelling of 20323241200 in words is "twenty billion, three hundred twenty-three million, two hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 50808103 101616206 203232412 254040515 406464824 508081030 812929648 1016162060 1270202575 2032324120 2540405150 4064648240 5080810300 10161620600 20323241200