2006204554 has 4 divisors (see below), whose sum is σ = 3009306834. Its totient is φ = 1003102276.

The previous prime is 2006204531. The next prime is 2006204569. The reversal of 2006204554 is 4554026002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4554026002 = 2 ⋅2277013001.

It can be written as a sum of positive squares in only one way, i.e., 1855283329 + 150921225 = 43073^2 + 12285^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501551137 + ... + 501551140.

Almost surely, 2^2006204554 is an apocalyptic number.

2006204554 is a deficient number, since it is larger than the sum of its proper divisors (1003102280).

2006204554 is a wasteful number, since it uses less digits than its factorization.

2006204554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003102279.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2006204554 is about 44790.6748553759. The cubic root of 2006204554 is about 1261.2225796177. Note that the first 3 decimals are identical.

The spelling of 2006204554 in words is "two billion, six million, two hundred four thousand, five hundred fifty-four".