20276441 has 2 divisors, whose sum is σ = 20276442. Its totient is φ = 20276440.

The previous prime is 20276419. The next prime is 20276447. The reversal of 20276441 is 14467202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17808400 + 2468041 = 4220^2 + 1571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20276441 is a prime.

It is a super-2 number, since 2×20276441² = 822268119252962, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20276441.

It is not a weakly prime, because it can be changed into another prime (20276447) 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, 10138220 + 10138221.

It is an arithmetic number, because the mean of its divisors is an integer number (10138221).

Almost surely, 2^20276441 is an apocalyptic number.

It is an amenable number.

20276441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20276441 is an equidigital number, since it uses as much as digits as its factorization.

20276441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 20276441 is about 4502.9369304933. The cubic root of 20276441 is about 272.6866706257.

The spelling of 20276441 in words is "twenty million, two hundred seventy-six thousand, four hundred forty-one".