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20300341200 = 2435216916951
BaseRepresentation
bin10010111001111111…
…101001111111010000
31221101202200011220220
4102321333221333100
5313033341404300
613154214433040
71316030024136
oct227177517720
957352604826
1020300341200
118678016897
123b26662780
131bb6994b19
14da8147756
157dc2e5da0
hex4b9fe9fd0

20300341200 has 60 divisors (see below), whose sum is σ = 65028763488. Its totient is φ = 5413424000.

The previous prime is 20300341183. The next prime is 20300341207. The reversal of 20300341200 is 214300302.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20300341200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300341207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8457276 + ... + 8459675.

Almost surely, 220300341200 is an apocalyptic number.

20300341200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300341200 is an abundant number, since it is smaller than the sum of its proper divisors (44728422288).

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

20300341200 is a wasteful number, since it uses less digits than its factorization.

20300341200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16916972 (or 16916961 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20300341200 its reverse (214300302), we get a palindrome (20514641502).

The spelling of 20300341200 in words is "twenty billion, three hundred million, three hundred forty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 16916951 33833902 50750853 67667804 84584755 101501706 135335608 169169510 203003412 253754265 270671216 338339020 406006824 422923775 507508530 676678040 812013648 845847550 1015017060 1268771325 1353356080 1691695100 2030034120 2537542650 3383390200 4060068240 5075085300 6766780400 10150170600 20300341200