270020 has 24 divisors (see below), whose sum is σ = 592704. Its totient is φ = 103136.

The previous prime is 270001. The next prime is 270029. The reversal of 270020 is 20072.

It is a junction number, because it is equal to n+sod(n) for n = 269983 and 270010.

It is not an unprimeable number, because it can be changed into a prime (270029) by changing a digit.

270020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (24696).

2²⁷⁰⁰²⁰ is an apocalyptic number.

270020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296352).

270020 is an abundant number, since it is smaller than the sum of its proper divisors (322684).

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

270020 is a wasteful number, since it uses less digits than its factorization.

270020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 270020 is about 519.6344869233. The cubic root of 270020 is about 64.6346365391.

Adding to 270020 its reverse (20072), we get a palindrome (290092).

The spelling of 270020 in words is "two hundred seventy thousand, twenty", and thus it is an iban number.