20264141 has 2 divisors, whose sum is σ = 20264142. Its totient is φ = 20264140.

The previous prime is 20264129. The next prime is 20264159. The reversal of 20264141 is 14146202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 5900041 = 3790^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 20264141 - 2⁶ = 20264077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20264161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10132070 + 10132071.

It is an arithmetic number, because the mean of its divisors is an integer number (10132071).

Almost surely, 2^20264141 is an apocalyptic number.

It is an amenable number.

20264141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20264141 is an equidigital number, since it uses as much as digits as its factorization.

20264141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20264141 is about 4501.5709480136. The cubic root of 20264141 is about 272.6315208342.

The spelling of 20264141 in words is "twenty million, two hundred sixty-four thousand, one hundred forty-one".