2405565020 has 12 divisors (see below), whose sum is σ = 5051686584. Its totient is φ = 962226000.

The previous prime is 2405565011. The next prime is 2405565031. The reversal of 2405565020 is 205655042.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60139106 + ... + 60139145.

It is an arithmetic number, because the mean of its divisors is an integer number (420973882).

Almost surely, 2^2405565020 is an apocalyptic number.

2405565020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405565020 is an abundant number, since it is smaller than the sum of its proper divisors (2646121564).

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

2405565020 is a wasteful number, since it uses less digits than its factorization.

2405565020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120278260 (or 120278258 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2405565020 is about 49046.5597162533. The cubic root of 2405565020 is about 1339.8999368364.

The spelling of 2405565020 in words is "two billion, four hundred five million, five hundred sixty-five thousand, twenty".