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20038061 is a prime number
BaseRepresentation
bin100110001110…
…0000110101101
31101201001001102
41030130012231
520112204221
61553252445
7332215001
oct114340655
941631042
1020038061
111034698a
126864125
1341c7854
142938701
151b5c30b
hex131c1ad

20038061 has 2 divisors, whose sum is σ = 20038062. Its totient is φ = 20038060.

The previous prime is 20038049. The next prime is 20038069. The reversal of 20038061 is 16083002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 9572836 = 3235^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 20038061 - 210 = 20037037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20038069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10019030 + 10019031.

It is an arithmetic number, because the mean of its divisors is an integer number (10019031).

Almost surely, 220038061 is an apocalyptic number.

It is an amenable number.

20038061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20038061 is an equidigital number, since it uses as much as digits as its factorization.

20038061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20038061 is about 4476.3892815527. The cubic root of 20038061 is about 271.6138416282.

The spelling of 20038061 in words is "twenty million, thirty-eight thousand, sixty-one".