27020143 has 2 divisors, whose sum is σ = 27020144. Its totient is φ = 27020142.

The previous prime is 27020137. The next prime is 27020177. The reversal of 27020143 is 34102072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27020143 - 2⁵ = 27020111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27020143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27020113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13510071 + 13510072.

It is an arithmetic number, because the mean of its divisors is an integer number (13510072).

Almost surely, 2^27020143 is an apocalyptic number.

27020143 is a deficient number, since it is larger than the sum of its proper divisors (1).

27020143 is an equidigital number, since it uses as much as digits as its factorization.

27020143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 27020143 is about 5198.0903224165. The cubic root of 27020143 is about 300.0745851590.

The spelling of 27020143 in words is "twenty-seven million, twenty thousand, one hundred forty-three".