4455020 has 24 divisors (see below), whose sum is σ = 9906624. Its totient is φ = 1677056.

The previous prime is 4455007. The next prime is 4455023. The reversal of 4455020 is 205544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4454983 and 4455001.

It is not an unprimeable number, because it can be changed into a prime (4455023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6212 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 2^4455020 is an apocalyptic number.

It is an amenable number.

4455020 is an abundant number, since it is smaller than the sum of its proper divisors (5451604).

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

4455020 is a wasteful number, since it uses less digits than its factorization.

4455020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129 (or 13127 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4455020 is about 2110.6918297089. The cubic root of 4455020 is about 164.5444428041.

The spelling of 4455020 in words is "four million, four hundred fifty-five thousand, twenty".