220570535 has 4 divisors (see below), whose sum is σ = 264684648. Its totient is φ = 176456424.

The previous prime is 220570513. The next prime is 220570573. The reversal of 220570535 is 535075022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220570535 - 2¹⁸ = 220308391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220570498 and 220570507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22057049 + ... + 22057058.

It is an arithmetic number, because the mean of its divisors is an integer number (66171162).

Almost surely, 2^220570535 is an apocalyptic number.

220570535 is a deficient number, since it is larger than the sum of its proper divisors (44114113).

220570535 is an equidigital number, since it uses as much as digits as its factorization.

220570535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44114112.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 220570535 is about 14851.6172520032. The cubic root of 220570535 is about 604.2024734915.

The spelling of 220570535 in words is "two hundred twenty million, five hundred seventy thousand, five hundred thirty-five".