4205020 has 24 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 1649856.

The previous prime is 4205017. The next prime is 4205027. The reversal of 4205020 is 205024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (374976).

Almost surely, 2^4205020 is an apocalyptic number.

It is an amenable number.

4205020 is an abundant number, since it is smaller than the sum of its proper divisors (4794404).

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

4205020 is a wasteful number, since it uses less digits than its factorization.

4205020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4027 counting only the distinct ones).

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

The square root of 4205020 is about 2050.6145420337. The cubic root of 4205020 is about 161.4071200551.

The spelling of 4205020 in words is "four million, two hundred five thousand, twenty".