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20092201 is a prime number
BaseRepresentation
bin100110010100…
…1010100101001
31101210210022121
41030221110221
520120422301
61554351241
7332531563
oct114512451
941723277
1020092201
1110383628
12688b521
13421639c
142950333
151b6d3a1
hex1329529

20092201 has 2 divisors, whose sum is σ = 20092202. Its totient is φ = 20092200.

The previous prime is 20092187. The next prime is 20092339. The reversal of 20092201 is 10229002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13512976 + 6579225 = 3676^2 + 2565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20092201 is a prime.

It is a super-3 number, since 3×200922013 (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20092001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046100 + 10046101.

It is an arithmetic number, because the mean of its divisors is an integer number (10046101).

Almost surely, 220092201 is an apocalyptic number.

It is an amenable number.

20092201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20092201 is an equidigital number, since it uses as much as digits as its factorization.

20092201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20092201 is about 4482.4324869428. The cubic root of 20092201 is about 271.8582423458.

The spelling of 20092201 in words is "twenty million, ninety-two thousand, two hundred one".