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20483003520 = 2733572171423
BaseRepresentation
bin10011000100111000…
…011101010010000000
31221212111101101112000
4103010320131102000
5313422122103040
613224301504000
71323405441300
oct230470352200
957774341460
1020483003520
118761137791
123b77872000
131c1578b735
14dc44d5600
157ed378130
hex4c4e1d480

20483003520 has 768 divisors, whose sum is σ = 89414668800. Its totient is φ = 4403331072.

The previous prime is 20483003477. The next prime is 20483003521. The reversal of 20483003520 is 2530038402.

20483003520 is a `hidden beast` number, since 2 + 0 + 4 + 8 + 300 + 352 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20483003521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14393529 + ... + 14394951.

It is an arithmetic number, because the mean of its divisors is an integer number (116425350).

Almost surely, 220483003520 is an apocalyptic number.

20483003520 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 20483003520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44707334400).

20483003520 is an abundant number, since it is smaller than the sum of its proper divisors (68931665280).

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

20483003520 is a wasteful number, since it uses less digits than its factorization.

20483003520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 20483003520 in words is "twenty billion, four hundred eighty-three million, three thousand, five hundred twenty".