20060749 has 2 divisors, whose sum is σ = 20060750. Its totient is φ = 20060748.

The previous prime is 20060737. The next prime is 20060753. The reversal of 20060749 is 94706002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15264649 + 4796100 = 3907^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 20060749 - 2⁵ = 20060717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20060759) 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, 10030374 + 10030375.

It is an arithmetic number, because the mean of its divisors is an integer number (10030375).

Almost surely, 2^20060749 is an apocalyptic number.

It is an amenable number.

20060749 is a deficient number, since it is larger than the sum of its proper divisors (1).

20060749 is an equidigital number, since it uses as much as digits as its factorization.

20060749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20060749 is about 4478.9227499478. The cubic root of 20060749 is about 271.7163141267.

The spelling of 20060749 in words is "twenty million, sixty thousand, seven hundred forty-nine".