2620843204 has 72 divisors (see below), whose sum is σ = 5630241120. Its totient is φ = 1061424000.

The previous prime is 2620843201. The next prime is 2620843217. The reversal of 2620843204 is 4023480262.

It is not an unprimeable number, because it can be changed into a prime (2620843201) 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, 2237539 + ... + 2238709.

Almost surely, 2^2620843204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2620843204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815120560).

2620843204 is an abundant number, since it is smaller than the sum of its proper divisors (3009397916).

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

2620843204 is a wasteful number, since it uses less digits than its factorization.

2620843204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2620843204 is about 51194.1715823198. The cubic root of 2620843204 is about 1378.7335584247.

The spelling of 2620843204 in words is "two billion, six hundred twenty million, eight hundred forty-three thousand, two hundred four".