2555410220 has 48 divisors (see below), whose sum is σ = 5867769600. Its totient is φ = 927088320.

The previous prime is 2555410219. The next prime is 2555410223. The reversal of 2555410220 is 220145552.

It is a self number, because there is not a number n which added to its sum of digits gives 2555410220.

It is not an unprimeable number, because it can be changed into a prime (2555410223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83351 + ... + 109809.

It is an arithmetic number, because the mean of its divisors is an integer number (122245200).

Almost surely, 2^2555410220 is an apocalyptic number.

2555410220 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 2555410220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933884800).

2555410220 is an abundant number, since it is smaller than the sum of its proper divisors (3312359380).

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

2555410220 is a wasteful number, since it uses less digits than its factorization.

2555410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918 (or 26916 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2555410220 is about 50551.0654684943. The cubic root of 2555410220 is about 1367.1627252053.

Adding to 2555410220 its reverse (220145552), we get a palindrome (2775555772).

The spelling of 2555410220 in words is "two billion, five hundred fifty-five million, four hundred ten thousand, two hundred twenty".