20934061 has 2 divisors, whose sum is σ = 20934062. Its totient is φ = 20934060.

The previous prime is 20934049. The next prime is 20934073. The reversal of 20934061 is 16043902.

It is a balanced prime because it is at equal distance from previous prime (20934049) and next prime (20934073).

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 1485961 = 4410^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 20934061 - 2¹⁷ = 20802989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20934031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10467030 + 10467031.

It is an arithmetic number, because the mean of its divisors is an integer number (10467031).

Almost surely, 2^20934061 is an apocalyptic number.

It is an amenable number.

20934061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20934061 is an equidigital number, since it uses as much as digits as its factorization.

20934061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20934061 is about 4575.3755037155. The cubic root of 20934061 is about 275.6033518579.

Adding to 20934061 its reverse (16043902), we get a palindrome (36977963).

The spelling of 20934061 in words is "twenty million, nine hundred thirty-four thousand, sixty-one".