220066539 has 16 divisors (see below), whose sum is σ = 365825280. Its totient is φ = 114320160.

The previous prime is 220066537. The next prime is 220066597. The reversal of 220066539 is 935660022.

It is not a de Polignac number, because 220066539 - 2¹ = 220066537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (220066537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476104 + ... + 476565.

It is an arithmetic number, because the mean of its divisors is an integer number (22864080).

Almost surely, 2^220066539 is an apocalyptic number.

220066539 is a deficient number, since it is larger than the sum of its proper divisors (145758741).

220066539 is a wasteful number, since it uses less digits than its factorization.

220066539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952690.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 220066539 is about 14834.6398338483. The cubic root of 220066539 is about 603.7419286586.

The spelling of 220066539 in words is "two hundred twenty million, sixty-six thousand, five hundred thirty-nine".