455020 has 12 divisors (see below), whose sum is σ = 955584. Its totient is φ = 182000.

The previous prime is 455011. The next prime is 455033. The reversal of 455020 is 20554.

It is a happy number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 454985 and 455003.

It is an unprimeable number.

455020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 11356 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (79632).

2⁴⁵⁵⁰²⁰ is an apocalyptic number.

It is an amenable number.

455020 is an abundant number, since it is smaller than the sum of its proper divisors (500564).

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

455020 is a wasteful number, since it uses less digits than its factorization.

455020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22760 (or 22758 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 455020 is about 674.5517029850. The cubic root of 455020 is about 76.9148437342.

Adding to 455020 its reverse (20554), we get a palindrome (475574).

The spelling of 455020 in words is "four hundred fifty-five thousand, twenty".