20366011 has 2 divisors, whose sum is σ = 20366012. Its totient is φ = 20366010.

The previous prime is 20365999. The next prime is 20366029. The reversal of 20366011 is 11066302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20366011 - 2⁵ = 20365979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20366011.

It is not a weakly prime, because it can be changed into another prime (20366111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183005 + 10183006.

It is an arithmetic number, because the mean of its divisors is an integer number (10183006).

Almost surely, 2^20366011 is an apocalyptic number.

20366011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20366011 is an equidigital number, since it uses as much as digits as its factorization.

20366011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20366011 is about 4512.8717021427. The cubic root of 20366011 is about 273.0876066746.

The spelling of 20366011 in words is "twenty million, three hundred sixty-six thousand, eleven".