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20675200 = 275271371
BaseRepresentation
bin100111011011…
…1101010000000
31102220102001011
41032313222000
520243101300
62015050304
7340510360
oct116675200
942812034
1020675200
1110741647
126b10994
13438b860
142a629a0
151c35eba
hex13b7a80

20675200 has 192 divisors, whose sum is σ = 63745920. Its totient is φ = 6451200.

The previous prime is 20675197. The next prime is 20675201. The reversal of 20675200 is 257602.

It is not an unprimeable number, because it can be changed into a prime (20675201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291165 + ... + 291235.

It is an arithmetic number, because the mean of its divisors is an integer number (332010).

Almost surely, 220675200 is an apocalyptic number.

20675200 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 20675200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31872960).

20675200 is an abundant number, since it is smaller than the sum of its proper divisors (43070720).

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

20675200 is a wasteful number, since it uses less digits than its factorization.

20675200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20675200 is about 4546.9990103364. Note that the first 3 decimals coincide. The cubic root of 20675200 is about 274.4626421313.

The spelling of 20675200 in words is "twenty million, six hundred seventy-five thousand, two hundred".