420106255 has 16 divisors (see below), whose sum is σ = 518464800. Its totient is φ = 326656000.

The previous prime is 420106237. The next prime is 420106301. The reversal of 420106255 is 552601024.

It is not a de Polignac number, because 420106255 - 2¹⁵ = 420073487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18255 + ... + 34255.

It is an arithmetic number, because the mean of its divisors is an integer number (32404050).

Almost surely, 2^420106255 is an apocalyptic number.

420106255 is a deficient number, since it is larger than the sum of its proper divisors (98358545).

420106255 is a wasteful number, since it uses less digits than its factorization.

420106255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 420106255 is about 20496.4937245374. The cubic root of 420106255 is about 748.9503865823.

Adding to 420106255 its reverse (552601024), we get a palindrome (972707279).

The spelling of 420106255 in words is "four hundred twenty million, one hundred six thousand, two hundred fifty-five".