258220 has 12 divisors (see below), whose sum is σ = 542304. Its totient is φ = 103280.

The previous prime is 258211. The next prime is 258233. The reversal of 258220 is 22852.

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, 6436 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (45192).

2²⁵⁸²²⁰ is an apocalyptic number.

258220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258220 is an abundant number, since it is smaller than the sum of its proper divisors (284084).

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

258220 is a wasteful number, since it uses less digits than its factorization.

258220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920 (or 12918 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 258220 is about 508.1535201098. The cubic root of 258220 is about 63.6790573120.

The spelling of 258220 in words is "two hundred fifty-eight thousand, two hundred twenty".