255003420 has 48 divisors (see below), whose sum is σ = 816012288. Its totient is φ = 58286400.

The previous prime is 255003403. The next prime is 255003433. The reversal of 255003420 is 24300552.

255003420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303156 + ... + 303995.

It is an arithmetic number, because the mean of its divisors is an integer number (17000256).

Almost surely, 2^255003420 is an apocalyptic number.

255003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255003420 is an abundant number, since it is smaller than the sum of its proper divisors (561008868).

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

255003420 is a wasteful number, since it uses less digits than its factorization.

255003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607170 (or 607168 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 255003420 is about 15968.8265066660. The cubic root of 255003420 is about 634.1354054714.

Adding to 255003420 its reverse (24300552), we get a palindrome (279303972).

It can be divided in two parts, 25500 and 3420, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 255003420 in words is "two hundred fifty-five million, three thousand, four hundred twenty".