535220 has 24 divisors (see below), whose sum is σ = 1284864. Its totient is φ = 183456.

The previous prime is 535219. The next prime is 535229. The reversal of 535220 is 22535.

535220 = T₈₇ + T₈₈ + ... + T₁₅₆.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (53536).

2⁵³⁵²²⁰ is an apocalyptic number.

It is an amenable number.

535220 is an abundant number, since it is smaller than the sum of its proper divisors (749644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

535220 is a wasteful number, since it uses less digits than its factorization.

535220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 535220 is about 731.5873153630. The cubic root of 535220 is about 81.1915398014.

Adding to 535220 its reverse (22535), we get a palindrome (557755).

The spelling of 535220 in words is "five hundred thirty-five thousand, two hundred twenty".