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20200223 is a prime number
BaseRepresentation
bin100110100001…
…1101100011111
31102000021111102
41031003230133
520132401343
62000543315
7333461531
oct115035437
942007442
1020200223
11104477aa
126921b3b
1342535c4
14297b851
151b903b8
hex1343b1f

20200223 has 2 divisors, whose sum is σ = 20200224. Its totient is φ = 20200222.

The previous prime is 20200181. The next prime is 20200237. The reversal of 20200223 is 32200202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20200223 - 222 = 16005919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100111 + 10100112.

It is an arithmetic number, because the mean of its divisors is an integer number (10100112).

Almost surely, 220200223 is an apocalyptic number.

20200223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200223 is an equidigital number, since it uses as much as digits as its factorization.

20200223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20200223 is about 4494.4658192048. The cubic root of 20200223 is about 272.3445703416.

Adding to 20200223 its reverse (32200202), we get a palindrome (52400425).

The spelling of 20200223 in words is "twenty million, two hundred thousand, two hundred twenty-three".