2205204140 has 24 divisors (see below), whose sum is σ = 4634835072. Its totient is φ = 881337600.

The previous prime is 2205204121. The next prime is 2205204187. The reversal of 2205204140 is 414025022.

It is a happy number.

2205204140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 21884 + ... + 69923.

It is an arithmetic number, because the mean of its divisors is an integer number (193118128).

Almost surely, 2^2205204140 is an apocalyptic number.

2205204140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205204140 is an abundant number, since it is smaller than the sum of its proper divisors (2429630932).

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

2205204140 is a wasteful number, since it uses less digits than its factorization.

2205204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93017 (or 93015 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2205204140 is about 46959.6011482210. The cubic root of 2205204140 is about 1301.6161635185.

Adding to 2205204140 its reverse (414025022), we get a palindrome (2619229162).

The spelling of 2205204140 in words is "two billion, two hundred five million, two hundred four thousand, one hundred forty".