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20132201 is a prime number
BaseRepresentation
bin100110011001…
…1000101101001
31101212211012002
41030303011221
520123212301
61555300345
7333056315
oct114630551
941784162
1020132201
1110400691
1268aa6b5
13422b65b
142960b45
151b7a16b
hex1333169

20132201 has 2 divisors, whose sum is σ = 20132202. Its totient is φ = 20132200.

The previous prime is 20132179. The next prime is 20132219. The reversal of 20132201 is 10223102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13104400 + 7027801 = 3620^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132201 - 214 = 20115817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066100 + 10066101.

It is an arithmetic number, because the mean of its divisors is an integer number (10066101).

Almost surely, 220132201 is an apocalyptic number.

It is an amenable number.

20132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132201 is an equidigital number, since it uses as much as digits as its factorization.

20132201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20132201 is about 4486.8921315316. The cubic root of 20132201 is about 272.0385299008.

Adding to 20132201 its reverse (10223102), we get a palindrome (30355303).

Subtracting from 20132201 its reverse (10223102), we obtain a palindrome (9909099).

The spelling of 20132201 in words is "twenty million, one hundred thirty-two thousand, two hundred one".