2553320220 has 144 divisors (see below), whose sum is σ = 8042052480. Its totient is φ = 604517760.

The previous prime is 2553320213. The next prime is 2553320221. The reversal of 2553320220 is 220233552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553320221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308091 + ... + 316269.

Almost surely, 2^2553320220 is an apocalyptic number.

2553320220 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 2553320220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021026240).

2553320220 is an abundant number, since it is smaller than the sum of its proper divisors (5488732260).

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

2553320220 is a wasteful number, since it uses less digits than its factorization.

2553320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2553320220 is about 50530.3890742986. The cubic root of 2553320220 is about 1366.7899019020.

Adding to 2553320220 its reverse (220233552), we get a palindrome (2773553772).

It can be divided in two parts, 25533 and 20220, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 2553320220 in words is "two billion, five hundred fifty-three million, three hundred twenty thousand, two hundred twenty".