255214420 has 12 divisors (see below), whose sum is σ = 535950324. Its totient is φ = 102085760.

The previous prime is 255214409. The next prime is 255214429. The reversal of 255214420 is 24412552.

255214420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51638596 + 203575824 = 7186^2 + 14268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255214429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6380341 + ... + 6380380.

It is an arithmetic number, because the mean of its divisors is an integer number (44662527).

Almost surely, 2^255214420 is an apocalyptic number.

255214420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255214420 is an abundant number, since it is smaller than the sum of its proper divisors (280735904).

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

255214420 is a wasteful number, since it uses less digits than its factorization.

255214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760730 (or 12760728 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 255214420 is about 15975.4317625534. The cubic root of 255214420 is about 634.3102602283.

Adding to 255214420 its reverse (24412552), we get a palindrome (279626972).

The spelling of 255214420 in words is "two hundred fifty-five million, two hundred fourteen thousand, four hundred twenty".