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20323301124 = 22372310519307
BaseRepresentation
bin10010111011010111…
…001111011100000100
31221110100212200000110
4102323113033130010
5313110231113444
613200354513020
71316426131530
oct227327173404
957410780013
1020323301124
118689a78a35
123b32295770
131bbb673589
14dab202bc0
157de32dcb9
hex4bb5cf704

20323301124 has 48 divisors (see below), whose sum is σ = 56551799808. Its totient is φ = 5554193568.

The previous prime is 20323301099. The next prime is 20323301221. The reversal of 20323301124 is 42110332302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20323301124.

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 15 ways as a sum of consecutive naturals, for example, 5257722 + ... + 5261585.

It is an arithmetic number, because the mean of its divisors is an integer number (1178162496).

Almost surely, 220323301124 is an apocalyptic number.

It is an amenable number.

20323301124 is an abundant number, since it is smaller than the sum of its proper divisors (36228498684).

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

20323301124 is a wasteful number, since it uses less digits than its factorization.

20323301124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10519344 (or 10519342 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20323301124 its reverse (42110332302), we get a palindrome (62433633426).

The spelling of 20323301124 in words is "twenty billion, three hundred twenty-three million, three hundred one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 10519307 21038614 31557921 42077228 63115842 73635149 126231684 147270298 220905447 241944061 294540596 441810894 483888122 725832183 883621788 967776244 1451664366 1693608427 2903328732 3387216854 5080825281 6774433708 10161650562 20323301124