2005555920924 has 48 divisors (see below), whose sum is σ = 4805149789440. Its totient is φ = 650807328000.

The previous prime is 2005555920913. The next prime is 2005555921043. The reversal of 2005555920924 is 4290295555002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13678077 + ... + 13823924.

It is an arithmetic number, because the mean of its divisors is an integer number (100107287280).

Almost surely, 2^{2005555920924} is an apocalyptic number.

It is an amenable number.

2005555920924 is an abundant number, since it is smaller than the sum of its proper divisors (2799593868516).

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

2005555920924 is a wasteful number, since it uses less digits than its factorization.

2005555920924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502170 (or 27502168 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 2005555920924 in words is "two trillion, five billion, five hundred fifty-five million, nine hundred twenty thousand, nine hundred twenty-four".