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20424507104 = 252327750689
BaseRepresentation
bin10011000001011001…
…010011111011100000
31221201102022110112002
4103001121103323200
5313312133211404
613214412023132
71322065305641
oct230131237340
957642273462
1020424507104
118731113541
123b60161aa8
131c06619c81
14dba8296c8
157e8170c1e
hex4c1653ee0

20424507104 has 24 divisors (see below), whose sum is σ = 41959043280. Its totient is φ = 9768242176.

The previous prime is 20424507101. The next prime is 20424507119. The reversal of 20424507104 is 40170542402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424507101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13874609 + ... + 13876080.

It is an arithmetic number, because the mean of its divisors is an integer number (1748293470).

Almost surely, 220424507104 is an apocalyptic number.

It is an amenable number.

20424507104 is an abundant number, since it is smaller than the sum of its proper divisors (21534536176).

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

20424507104 is a wasteful number, since it uses less digits than its factorization.

20424507104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750722 (or 27750714 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The spelling of 20424507104 in words is "twenty billion, four hundred twenty-four million, five hundred seven thousand, one hundred four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 27750689 55501378 111002756 222005512 444011024 638265847 888022048 1276531694 2553063388 5106126776 10212253552 20424507104