2002273280 has 264 divisors, whose sum is σ = 5847018048. Its totient is φ = 654753792.

The previous prime is 2002273279. The next prime is 2002273313. The reversal of 2002273280 is 823722002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5770067 + ... + 5770413.

Almost surely, 2^2002273280 is an apocalyptic number.

2002273280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002273280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923509024).

2002273280 is an abundant number, since it is smaller than the sum of its proper divisors (3844744768).

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

2002273280 is a wasteful number, since it uses less digits than its factorization.

2002273280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2002273280 is about 44746.7683749341. The cubic root of 2002273280 is about 1260.3982280346.

Adding to 2002273280 its reverse (823722002), we get a palindrome (2825995282).

The spelling of 2002273280 in words is "two billion, two million, two hundred seventy-three thousand, two hundred eighty".