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2020130000 = 2454728859
BaseRepresentation
bin111100001101000…
…1011110011010000
312012210020020101122
41320122023303100
513114123130000
6532242221412
7101026551560
oct17032136320
95183206348
102020130000
11947346629
12484654868
132626a49c5
14152418da0
15bc53c085
hex7868bcd0

2020130000 has 100 divisors (see below), whose sum is σ = 5589835680. Its totient is φ = 692592000.

The previous prime is 2020129963. The next prime is 2020130011. The reversal of 2020130000 is 310202.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2020130000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55571 + ... + 84429.

Almost surely, 22020130000 is an apocalyptic number.

2020130000 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 2020130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794917840).

2020130000 is an abundant number, since it is smaller than the sum of its proper divisors (3569705680).

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

2020130000 is an equidigital number, since it uses as much as digits as its factorization.

2020130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28894 (or 28873 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2020130000 is about 44945.8563162390. The cubic root of 2020130000 is about 1264.1339820856.

Adding to 2020130000 its reverse (310202), we get a palindrome (2020440202).

The spelling of 2020130000 in words is "two billion, twenty million, one hundred thirty thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 625 700 875 1000 1250 1400 1750 2000 2500 2800 3500 4375 5000 7000 8750 10000 14000 17500 28859 35000 57718 70000 115436 144295 202013 230872 288590 404026 461744 577180 721475 808052 1010065 1154360 1442950 1616104 2020130 2308720 2885900 3232208 3607375 4040260 5050325 5771800 7214750 8080520 10100650 11543600 14429500 16161040 18036875 20201300 25251625 28859000 36073750 40402600 50503250 57718000 72147500 80805200 101006500 126258125 144295000 202013000 252516250 288590000 404026000 505032500 1010065000 2020130000