20240273 has 2 divisors, whose sum is σ = 20240274. Its totient is φ = 20240272.

The previous prime is 20240267. The next prime is 20240279. The reversal of 20240273 is 37204202.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20240267) and next prime (20240279).

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 9690769 = 3248^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 20240273 - 2⁴ = 20240257 is a prime.

It is a super-2 number, since 2×20240273² = 819337302229058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20240279) 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, 10120136 + 10120137.

It is an arithmetic number, because the mean of its divisors is an integer number (10120137).

Almost surely, 2^20240273 is an apocalyptic number.

It is an amenable number.

20240273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20240273 is an equidigital number, since it uses as much as digits as its factorization.

20240273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20240273 is about 4498.9190924043. The cubic root of 20240273 is about 272.5244396339.

Adding to 20240273 its reverse (37204202), we get a palindrome (57444475).

The spelling of 20240273 in words is "twenty million, two hundred forty thousand, two hundred seventy-three".