3205020 has 96 divisors (see below), whose sum is σ = 11063808. Its totient is φ = 675072.

The previous prime is 3205009. The next prime is 3205039. The reversal of 3205020 is 205023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3204987 and 3205005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5167 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (115248).

Almost surely, 2^3205020 is an apocalyptic number.

3205020 is a gapful number since it is divisible by the number (30) 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 3205020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5531904).

3205020 is an abundant number, since it is smaller than the sum of its proper divisors (7858788).

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

3205020 is a wasteful number, since it uses less digits than its factorization.

3205020 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 60, while the sum is 12.

The square root of 3205020 is about 1790.2569647958. The cubic root of 3205020 is about 147.4382773448.

The spelling of 3205020 in words is "three million, two hundred five thousand, twenty".