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220404053 is a prime number
BaseRepresentation
bin11010010001100…
…01100101010101
3120100201200112002
431020301211111
5422410412203
633512005045
75314255262
oct1510614525
9510650462
10220404053
11103459911
1261990785
133687c5cc
14213b4269
1514539d88
hexd231955

220404053 has 2 divisors, whose sum is σ = 220404054. Its totient is φ = 220404052.

The previous prime is 220404013. The next prime is 220404073. The reversal of 220404053 is 350404022.

It is an a-pointer prime, because the next prime (220404073) can be obtained adding 220404053 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218980804 + 1423249 = 14798^2 + 1193^2 .

It is a cyclic number.

It is not a de Polignac number, because 220404053 - 224 = 203626837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220404013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110202026 + 110202027.

It is an arithmetic number, because the mean of its divisors is an integer number (110202027).

Almost surely, 2220404053 is an apocalyptic number.

It is an amenable number.

220404053 is a deficient number, since it is larger than the sum of its proper divisors (1).

220404053 is an equidigital number, since it uses as much as digits as its factorization.

220404053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 220404053 is about 14846.0113498542. The cubic root of 220404053 is about 604.0504221243.

Adding to 220404053 its reverse (350404022), we get a palindrome (570808075).

The spelling of 220404053 in words is "two hundred twenty million, four hundred four thousand, fifty-three".