2533255220 has 24 divisors (see below), whose sum is σ = 5342677704. Its totient is φ = 1008951296.

The previous prime is 2533255217. The next prime is 2533255223. The reversal of 2533255220 is 225523352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2533255217) and next prime (2533255223).

It can be written as a sum of positive squares in 4 ways, for example, as 5579044 + 2527676176 = 2362^2 + 50276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533255223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267149 + ... + 276468.

It is an arithmetic number, because the mean of its divisors is an integer number (222611571).

Almost surely, 2^2533255220 is an apocalyptic number.

2533255220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2533255220 is an abundant number, since it is smaller than the sum of its proper divisors (2809422484).

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

2533255220 is a wasteful number, since it uses less digits than its factorization.

2533255220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543859 (or 543857 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 2533255220 is about 50331.4535852085. The cubic root of 2533255220 is about 1363.2002238645.

Adding to 2533255220 its reverse (225523352), we get a palindrome (2758778572).

The spelling of 2533255220 in words is "two billion, five hundred thirty-three million, two hundred fifty-five thousand, two hundred twenty".