255020204435225 has 48 divisors (see below), whose sum is σ = 324613535529024. Its totient is φ = 198625125504000.

The previous prime is 255020204435123. The next prime is 255020204435257. The reversal of 255020204435225 is 522534402020552.

It is not a de Polignac number, because 255020204435225 - 2¹⁰ = 255020204434201 is a prime.

It is a super-2 number, since 2×255020204435225² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3504769694 + ... + 3504842456.

It is an arithmetic number, because the mean of its divisors is an integer number (6762781990188).

Almost surely, 2^{255020204435225} is an apocalyptic number.

255020204435225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255020204435225 is a deficient number, since it is larger than the sum of its proper divisors (69593331093799).

255020204435225 is a wasteful number, since it uses less digits than its factorization.

255020204435225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79898 (or 79893 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 255020204435225 its reverse (522534402020552), we get a palindrome (777554606455777).

The spelling of 255020204435225 in words is "two hundred fifty-five trillion, twenty billion, two hundred four million, four hundred thirty-five thousand, two hundred twenty-five".