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2020868600 = 2352101100043
BaseRepresentation
bin111100001110100…
…0000000111111000
312012211121202120012
41320131000013320
513114320243400
6532310121052
7101036046122
oct17035000770
95184552505
102020868600
11947800543
12484950188
132628a2c4a
1415256c212
15bc635d35
hex787401f8

2020868600 has 48 divisors (see below), whose sum is σ = 4745086920. Its totient is φ = 800336000.

The previous prime is 2020868599. The next prime is 2020868617. The reversal of 2020868600 is 68680202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29822 + ... + 70221.

Almost surely, 22020868600 is an apocalyptic number.

2020868600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020868600 is an abundant number, since it is smaller than the sum of its proper divisors (2724218320).

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

2020868600 is a wasteful number, since it uses less digits than its factorization.

2020868600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100160 (or 100151 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2020868600 is about 44954.0721181074. The cubic root of 2020868600 is about 1264.2880275497.

The spelling of 2020868600 in words is "two billion, twenty million, eight hundred sixty-eight thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 101 200 202 404 505 808 1010 2020 2525 4040 5050 10100 20200 100043 200086 400172 500215 800344 1000430 2000860 2501075 4001720 5002150 10004300 10104343 20008600 20208686 40417372 50521715 80834744 101043430 202086860 252608575 404173720 505217150 1010434300 2020868600