420322105 has 16 divisors (see below), whose sum is σ = 582153984. Its totient is φ = 285364800.

The previous prime is 420322103. The next prime is 420322117. The reversal of 420322105 is 501223024.

It is not a de Polignac number, because 420322105 - 2¹ = 420322103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420322103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55917 + ... + 62986.

It is an arithmetic number, because the mean of its divisors is an integer number (36384624).

Almost surely, 2^420322105 is an apocalyptic number.

It is an amenable number.

420322105 is a deficient number, since it is larger than the sum of its proper divisors (161831879).

420322105 is a wasteful number, since it uses less digits than its factorization.

420322105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119016.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420322105 is about 20501.7585831070. The cubic root of 420322105 is about 749.0786345036.

Adding to 420322105 its reverse (501223024), we get a palindrome (921545129).

The spelling of 420322105 in words is "four hundred twenty million, three hundred twenty-two thousand, one hundred five".