255020434 has 16 divisors (see below), whose sum is σ = 408622968. Its totient is φ = 118945792.

The previous prime is 255020419. The next prime is 255020459. The reversal of 255020434 is 434020552.

It can be written as a sum of positive squares in 4 ways, for example, as 233998209 + 21022225 = 15297^2 + 4585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255020399 and 255020408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29347 + ... + 37030.

Almost surely, 2^255020434 is an apocalyptic number.

255020434 is a deficient number, since it is larger than the sum of its proper divisors (153602534).

255020434 is a wasteful number, since it uses less digits than its factorization.

255020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66509.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 255020434 is about 15969.3592232124. The cubic root of 255020434 is about 634.1495084716.

Adding to 255020434 its reverse (434020552), we get a palindrome (689040986).

The spelling of 255020434 in words is "two hundred fifty-five million, twenty thousand, four hundred thirty-four".