220490571 has 16 divisors (see below), whose sum is σ = 340720128. Its totient is φ = 124219200.

The previous prime is 220490537. The next prime is 220490597. The reversal of 220490571 is 175094022.

220490571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220490571 - 2⁹ = 220490059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220490531) 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, 72450 + ... + 75431.

It is an arithmetic number, because the mean of its divisors is an integer number (21295008).

Almost surely, 2^220490571 is an apocalyptic number.

220490571 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220490571 is a deficient number, since it is larger than the sum of its proper divisors (120229557).

220490571 is a wasteful number, since it uses less digits than its factorization.

220490571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147962.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 220490571 is about 14848.9249105785. The cubic root of 220490571 is about 604.1294503105.

The spelling of 220490571 in words is "two hundred twenty million, four hundred ninety thousand, five hundred seventy-one".