20265941 has 2 divisors, whose sum is σ = 20265942. Its totient is φ = 20265940.

The previous prime is 20265929. The next prime is 20265997. The reversal of 20265941 is 14956202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17255716 + 3010225 = 4154^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 20265941 - 2¹⁴ = 20249557 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 (20225941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10132970 + 10132971.

It is an arithmetic number, because the mean of its divisors is an integer number (10132971).

Almost surely, 2^20265941 is an apocalyptic number.

It is an amenable number.

20265941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20265941 is an equidigital number, since it uses as much as digits as its factorization.

20265941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 20265941 is about 4501.7708737785. The cubic root of 20265941 is about 272.6395929291.

The spelling of 20265941 in words is "twenty million, two hundred sixty-five thousand, nine hundred forty-one".