2005220368 has 40 divisors (see below), whose sum is σ = 4027885056. Its totient is φ = 966048000.

The previous prime is 2005220311. The next prime is 2005220387. The reversal of 2005220368 is 8630225002.

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, 106893 + ... + 124243.

Almost surely, 2^2005220368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2005220368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2013942528).

2005220368 is an abundant number, since it is smaller than the sum of its proper divisors (2022664688).

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

2005220368 is a wasteful number, since it uses less digits than its factorization.

2005220368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17623 (or 17617 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2005220368 is about 44779.6870020325. The cubic root of 2005220368 is about 1261.0163060954.

The spelling of 2005220368 in words is "two billion, five million, two hundred twenty thousand, three hundred sixty-eight".