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20807627200 = 265267194101
BaseRepresentation
bin10011011000001110…
…110011000111000000
31222201010012222111021
4103120032303013000
5320103223032300
613320415355224
71334426625103
oct233016630700
958633188437
1020807627200
1189083aa318
124048522b14
131c67acb359
14101567873a
1581baecd1a
hex4d83b31c0

20807627200 has 84 divisors (see below), whose sum is σ = 51964211032. Its totient is φ = 8198784000.

The previous prime is 20807627179. The next prime is 20807627221. The reversal of 20807627200 is 272670802.

It is an interprime number because it is at equal distance from previous prime (20807627179) and next prime (20807627221).

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, 10150 + ... + 204250.

Almost surely, 220807627200 is an apocalyptic number.

20807627200 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 20807627200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25982105516).

20807627200 is an abundant number, since it is smaller than the sum of its proper divisors (31156583832).

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

20807627200 is a wasteful number, since it uses less digits than its factorization.

20807627200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194190 (or 194175 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 20807627200 in words is "twenty billion, eight hundred seven million, six hundred twenty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 67 80 100 134 160 200 268 320 335 400 536 670 800 1072 1340 1600 1675 2144 2680 3350 4288 5360 6700 10720 13400 21440 26800 53600 107200 194101 388202 776404 970505 1552808 1941010 3105616 3882020 4852525 6211232 7764040 9705050 12422464 13004767 15528080 19410100 26009534 31056160 38820200 52019068 62112320 65023835 77640400 104038136 130047670 155280800 208076272 260095340 310561600 325119175 416152544 520190680 650238350 832305088 1040381360 1300476700 2080762720 2600953400 4161525440 5201906800 10403813600 20807627200