3205345020 has 24 divisors (see below), whose sum is σ = 8974966224. Its totient is φ = 854758656.

The previous prime is 3205345009. The next prime is 3205345043. The reversal of 3205345020 is 205435023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26711149 + ... + 26711268.

It is an arithmetic number, because the mean of its divisors is an integer number (373956926).

Almost surely, 2^3205345020 is an apocalyptic number.

3205345020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3205345020 is an abundant number, since it is smaller than the sum of its proper divisors (5769621204).

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

3205345020 is a wasteful number, since it uses less digits than its factorization.

3205345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53422429 (or 53422427 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 3205345020 is about 56615.7665319476. The cubic root of 3205345020 is about 1474.4326106505.

The spelling of 3205345020 in words is "three billion, two hundred five million, three hundred forty-five thousand, twenty".