2081206504 has 32 divisors (see below), whose sum is σ = 4449642120. Its totient is φ = 904052736.

The previous prime is 2081206471. The next prime is 2081206507. The reversal of 2081206504 is 4056021802.

It can be written as a sum of positive squares in 4 ways, for example, as 1570536900 + 510669604 = 39630^2 + 22598^2 .

It is not an unprimeable number, because it can be changed into a prime (2081206507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586809 + ... + 590344.

Almost surely, 2^2081206504 is an apocalyptic number.

It is an amenable number.

2081206504 is an abundant number, since it is smaller than the sum of its proper divisors (2368435616).

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

2081206504 is a wasteful number, since it uses less digits than its factorization.

2081206504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177189 (or 1177185 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2081206504 is about 45620.2422615225. The cubic root of 2081206504 is about 1276.7476235076.

The spelling of 2081206504 in words is "two billion, eighty-one million, two hundred six thousand, five hundred four".