255220014 has 64 divisors (see below), whose sum is σ = 622080000. Its totient is φ = 68141568.

The previous prime is 255220013. The next prime is 255220019. The reversal of 255220014 is 410022552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255220013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105187 + ... + 107585.

It is an arithmetic number, because the mean of its divisors is an integer number (9720000).

Almost surely, 2^255220014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255220014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311040000).

255220014 is an abundant number, since it is smaller than the sum of its proper divisors (366859986).

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

255220014 is a wasteful number, since it uses less digits than its factorization.

255220014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 255220014 is about 15975.6068429340. The cubic root of 255220014 is about 634.3148946394.

Adding to 255220014 its reverse (410022552), we get a palindrome (665242566).

The spelling of 255220014 in words is "two hundred fifty-five million, two hundred twenty thousand, fourteen".