2005552612 has 24 divisors (see below), whose sum is σ = 4012223040. Its totient is φ = 859283040.

The previous prime is 2005552609. The next prime is 2005552613. The reversal of 2005552612 is 2162555002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2005552613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123714 + ... + 138982.

It is an arithmetic number, because the mean of its divisors is an integer number (167175960).

Almost surely, 2^2005552612 is an apocalyptic number.

It is an amenable number.

2005552612 is an abundant number, since it is smaller than the sum of its proper divisors (2006670428).

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

2005552612 is a wasteful number, since it uses less digits than its factorization.

2005552612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19971 (or 19969 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2005552612 is about 44783.3966107976. The cubic root of 2005552612 is about 1261.0859479780.

The spelling of 2005552612 in words is "two billion, five million, five hundred fifty-two thousand, six hundred twelve".