20272859 has 2 divisors, whose sum is σ = 20272860. Its totient is φ = 20272858.

The previous prime is 20272831. The next prime is 20272897. The reversal of 20272859 is 95827202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20272859 - 2²⁴ = 3495643 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20272159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136429 + 10136430.

It is an arithmetic number, because the mean of its divisors is an integer number (10136430).

Almost surely, 2^20272859 is an apocalyptic number.

20272859 is a deficient number, since it is larger than the sum of its proper divisors (1).

20272859 is an equidigital number, since it uses as much as digits as its factorization.

20272859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20272859 is about 4502.5391725114. The cubic root of 20272859 is about 272.6706122327.

The spelling of 20272859 in words is "twenty million, two hundred seventy-two thousand, eight hundred fifty-nine".