2005542002 has 4 divisors (see below), whose sum is σ = 3008313006. Its totient is φ = 1002771000.

The previous prime is 2005541939. The next prime is 2005542023. The reversal of 2005542002 is 2002455002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2005158841 + 383161 = 44779^2 + 619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501385499 + ... + 501385502.

Almost surely, 2^2005542002 is an apocalyptic number.

2005542002 is a deficient number, since it is larger than the sum of its proper divisors (1002771004).

2005542002 is a wasteful number, since it uses less digits than its factorization.

2005542002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002771003.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2005542002 is about 44783.2781515601. The cubic root of 2005542002 is about 1261.0837241278.

Adding to 2005542002 its reverse (2002455002), we get a palindrome (4007997004).

The spelling of 2005542002 in words is "two billion, five million, five hundred forty-two thousand, two".