20579341 has 2 divisors, whose sum is σ = 20579342. Its totient is φ = 20579340.

The previous prime is 20579329. The next prime is 20579347. The reversal of 20579341 is 14397502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19669225 + 910116 = 4435^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 20579341 - 2⁷ = 20579213 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 (20579347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10289670 + 10289671.

It is an arithmetic number, because the mean of its divisors is an integer number (10289671).

Almost surely, 2^20579341 is an apocalyptic number.

It is an amenable number.

20579341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20579341 is an equidigital number, since it uses as much as digits as its factorization.

20579341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20579341 is about 4536.4458555129. The cubic root of 20579341 is about 274.0378097964.

The spelling of 20579341 in words is "twenty million, five hundred seventy-nine thousand, three hundred forty-one".