2005556060 has 24 divisors (see below), whose sum is σ = 4244835840. Its totient is φ = 795904704.

The previous prime is 2005556057. The next prime is 2005556081. The reversal of 2005556060 is 606555002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392255 + ... + 397334.

It is an arithmetic number, because the mean of its divisors is an integer number (176868160).

Almost surely, 2^2005556060 is an apocalyptic number.

2005556060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005556060 is an abundant number, since it is smaller than the sum of its proper divisors (2239279780).

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

2005556060 is a wasteful number, since it uses less digits than its factorization.

2005556060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789725 (or 789723 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2005556060 is about 44783.4351071911. The cubic root of 2005556060 is about 1261.0866706752.

The spelling of 2005556060 in words is "two billion, five million, five hundred fifty-six thousand, sixty".