2405050020 has 72 divisors (see below), whose sum is σ = 7679293440. Its totient is φ = 607590720.

The previous prime is 2405050013. The next prime is 2405050049. The reversal of 2405050020 is 200505042.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2405049975 and 2405050002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348196 + ... + 355035.

Almost surely, 2^2405050020 is an apocalyptic number.

2405050020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405050020 is an abundant number, since it is smaller than the sum of its proper divisors (5274243420).

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

2405050020 is a wasteful number, since it uses less digits than its factorization.

2405050020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703265 (or 703260 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2405050020 is about 49041.3093218360. The cubic root of 2405050020 is about 1339.8043116629.

Adding to 2405050020 its reverse (200505042), we get a palindrome (2605555062).

The spelling of 2405050020 in words is "two billion, four hundred five million, fifty thousand, twenty".