720216143 has 2 divisors, whose sum is σ = 720216144. Its totient is φ = 720216142.

The previous prime is 720216121. The next prime is 720216179. The reversal of 720216143 is 341612027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720216143 - 2¹⁸ = 719953999 is a prime.

It is a super-2 number, since 2×720216143² = 1037422585275592898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720216103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360108071 + 360108072.

It is an arithmetic number, because the mean of its divisors is an integer number (360108072).

Almost surely, 2^720216143 is an apocalyptic number.

720216143 is a deficient number, since it is larger than the sum of its proper divisors (1).

720216143 is an equidigital number, since it uses as much as digits as its factorization.

720216143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 720216143 is about 26836.8430147810. The cubic root of 720216143 is about 896.3706277703.

The spelling of 720216143 in words is "seven hundred twenty million, two hundred sixteen thousand, one hundred forty-three".