245020 has 12 divisors (see below), whose sum is σ = 514584. Its totient is φ = 98000.

The previous prime is 244997. The next prime is 245023. The reversal of 245020 is 20542.

It is a happy number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6106 + ... + 6145.

It is an arithmetic number, because the mean of its divisors is an integer number (42882).

2²⁴⁵⁰²⁰ is an apocalyptic number.

245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245020 is an abundant number, since it is smaller than the sum of its proper divisors (269564).

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

245020 is a wasteful number, since it uses less digits than its factorization.

245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 245020 is about 494.9949494692. The cubic root of 245020 is about 62.5749500838.

Adding to 245020 its reverse (20542), we get a palindrome (265562).

The spelling of 245020 in words is "two hundred forty-five thousand, twenty".