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20324024323040 = 2553121318211229
BaseRepresentation
bin1001001111100000011100…
…10000000000101111100000
32122221221212012101121001002
410213300032100000233200
510130442100211314130
6111120421115531132
74165235161230344
oct447601620005740
978857765347032
1020324024323040
11652640897a869
122342b22759aa8
13b457164769b9
1450398bd2b624
15253a1b73cb45
hex127c0e400be0

20324024323040 has 288 divisors, whose sum is σ = 50094714811680. Its totient is φ = 7791453696000.

The previous prime is 20324024323039. The next prime is 20324024323087. The reversal of 20324024323040 is 4032342042302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20324024322994 and 20324024323012.

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 47 ways as a sum of consecutive naturals, for example, 16537041146 + ... + 16537042374.

It is an arithmetic number, because the mean of its divisors is an integer number (173939981985).

Almost surely, 220324024323040 is an apocalyptic number.

20324024323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20324024323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25047357405840).

20324024323040 is an abundant number, since it is smaller than the sum of its proper divisors (29770690488640).

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

20324024323040 is a wasteful number, since it uses less digits than its factorization.

20324024323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20324024323040 its reverse (4032342042302), we get a palindrome (24356366365342).

The spelling of 20324024323040 in words is "twenty trillion, three hundred twenty-four billion, twenty-four million, three hundred twenty-three thousand, forty".