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20324873320 = 235508121833
BaseRepresentation
bin10010111011011101…
…001111010001101000
31221110110211112122221
4102323131033101220
5313111131421240
613200452323424
71316445400303
oct227335172150
957413745587
1020324873320
11868a952174
123b32913574
131bbbaa407b
14dab4d1b3a
157de53ea4a
hex4bb74f468

20324873320 has 16 divisors (see below), whose sum is σ = 45730965060. Its totient is φ = 8129949312.

The previous prime is 20324873299. The next prime is 20324873351. The reversal of 20324873320 is 2337842302.

It can be written as a sum of positive squares in 2 ways, for example, as 16608507876 + 3716365444 = 128874^2 + 60962^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254060877 + ... + 254060956.

Almost surely, 220324873320 is an apocalyptic number.

20324873320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20324873320 is an abundant number, since it is smaller than the sum of its proper divisors (25406091740).

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

20324873320 is a wasteful number, since it uses less digits than its factorization.

20324873320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508121844 (or 508121840 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 20324873320 in words is "twenty billion, three hundred twenty-four million, eight hundred seventy-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 508121833 1016243666 2032487332 2540609165 4064974664 5081218330 10162436660 20324873320