2405200420 has 48 divisors (see below), whose sum is σ = 5881413888. Its totient is φ = 809078400.

The previous prime is 2405200417. The next prime is 2405200433. The reversal of 2405200420 is 240025042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154656 + ... + 169495.

It is an arithmetic number, because the mean of its divisors is an integer number (122529456).

Almost surely, 2^2405200420 is an apocalyptic number.

2405200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405200420 is an abundant number, since it is smaller than the sum of its proper divisors (3476213468).

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

2405200420 is a wasteful number, since it uses less digits than its factorization.

2405200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324220 (or 324218 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2405200420 is about 49042.8426990116. The cubic root of 2405200420 is about 1339.8322393383.

Adding to 2405200420 its reverse (240025042), we get a palindrome (2645225462).

The spelling of 2405200420 in words is "two billion, four hundred five million, two hundred thousand, four hundred twenty".