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20124535020 = 22352239149803
BaseRepresentation
bin10010101111100001…
…000000100011101100
31220221111212022011220
4102233201000203230
5312203340110040
613124534343340
71311463503522
oct225741004354
956844768156
1020124535020
118597859027
123a977bab50
131b8942bab5
14d8ca62312
157cbb6a2d0
hex4af8408ec

20124535020 has 48 divisors (see below), whose sum is σ = 56374241280. Its totient is φ = 5364110016.

The previous prime is 20124534961. The next prime is 20124535031. The reversal of 20124535020 is 2053542102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59439 + ... + 209241.

It is an arithmetic number, because the mean of its divisors is an integer number (1174463360).

Almost surely, 220124535020 is an apocalyptic number.

20124535020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20124535020 is an abundant number, since it is smaller than the sum of its proper divisors (36249706260).

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

20124535020 is a wasteful number, since it uses less digits than its factorization.

20124535020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152054 (or 152052 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20124535020 in words is "twenty billion, one hundred twenty-four million, five hundred thirty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2239 4478 6717 8956 11195 13434 22390 26868 33585 44780 67170 134340 149803 299606 449409 599212 749015 898818 1498030 1797636 2247045 2996060 4494090 8988180 335408917 670817834 1006226751 1341635668 1677044585 2012453502 3354089170 4024907004 5031133755 6708178340 10062267510 20124535020