2420205400 has 96 divisors (see below), whose sum is σ = 5846813280. Its totient is φ = 930944000.

The previous prime is 2420205379. The next prime is 2420205407. The reversal of 2420205400 is 45020242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420205407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580122 + ... + 584278.

It is an arithmetic number, because the mean of its divisors is an integer number (60904305).

Almost surely, 2^2420205400 is an apocalyptic number.

2420205400 is a gapful number since it is divisible by the number (20) 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 2420205400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923406640).

2420205400 is an abundant number, since it is smaller than the sum of its proper divisors (3426607880).

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

2420205400 is a wasteful number, since it uses less digits than its factorization.

2420205400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285 (or 4276 counting only the distinct ones).

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

The square root of 2420205400 is about 49195.5831350742. The cubic root of 2420205400 is about 1342.6126719806.

Adding to 2420205400 its reverse (45020242), we get a palindrome (2465225642).

The spelling of 2420205400 in words is "two billion, four hundred twenty million, two hundred five thousand, four hundred".