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20324167488 = 2634172337271
BaseRepresentation
bin10010111011011010…
…100010111101000000
31221110102111200110000
4102323122202331000
5313110441324423
613200425240000
71316436400422
oct227332427500
957412450400
1020324167488
11868a50a939
123b32633000
131bbb8b7a11
14dab38a812
157de450843
hex4bb6a2f40

20324167488 has 560 divisors, whose sum is σ = 68615990784. Its totient is φ = 5912248320.

The previous prime is 20324167483. The next prime is 20324167553. The reversal of 20324167488 is 88476142302.

It is a happy number.

20324167488 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 4 + 167 + 488 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324167483) 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 79 ways as a sum of consecutive naturals, for example, 74996793 + ... + 74997063.

Almost surely, 220324167488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20324167488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34307995392).

20324167488 is an abundant number, since it is smaller than the sum of its proper divisors (48291823296).

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

20324167488 is a wasteful number, since it uses less digits than its factorization.

20324167488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 20324167488 in words is "twenty billion, three hundred twenty-four million, one hundred sixty-seven thousand, four hundred eighty-eight".