2002205538 has 48 divisors (see below), whose sum is σ = 4415052096. Its totient is φ = 655633440.

The previous prime is 2002205509. The next prime is 2002205573. The reversal of 2002205538 is 8355022002.

It is a super-3 number, since 3×2002205538³ (a number of 29 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 371781 + ... + 377127.

It is an arithmetic number, because the mean of its divisors is an integer number (91980252).

Almost surely, 2^2002205538 is an apocalyptic number.

2002205538 is an abundant number, since it is smaller than the sum of its proper divisors (2412846558).

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

2002205538 is a wasteful number, since it uses less digits than its factorization.

2002205538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2002205538 is about 44746.0114200137. The cubic root of 2002205538 is about 1260.3840137146.

The spelling of 2002205538 in words is "two billion, two million, two hundred five thousand, five hundred thirty-eight".