2105450204 has 96 divisors (see below), whose sum is σ = 4695993792. Its totient is φ = 811008000.

The previous prime is 2105450177. The next prime is 2105450233. The reversal of 2105450204 is 4020545012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105450204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396044 + ... + 401324.

It is an arithmetic number, because the mean of its divisors is an integer number (48916602).

Almost surely, 2^2105450204 is an apocalyptic number.

It is an amenable number.

2105450204 is an abundant number, since it is smaller than the sum of its proper divisors (2590543588).

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

2105450204 is a wasteful number, since it uses less digits than its factorization.

2105450204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2105450204 is about 45885.1850165170. The cubic root of 2105450204 is about 1281.6860520354.

Adding to 2105450204 its reverse (4020545012), we get a palindrome (6125995216).

The spelling of 2105450204 in words is "two billion, one hundred five million, four hundred fifty thousand, two hundred four".