420324105 has 16 divisors (see below), whose sum is σ = 672955200. Its totient is φ = 224027328.

The previous prime is 420324101. The next prime is 420324119. The reversal of 420324105 is 501423024.

It is not a de Polignac number, because 420324105 - 2² = 420324101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420324101) 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, 17239 + ... + 33731.

It is an arithmetic number, because the mean of its divisors is an integer number (42059700).

Almost surely, 2^420324105 is an apocalyptic number.

It is an amenable number.

420324105 is a deficient number, since it is larger than the sum of its proper divisors (252631095).

420324105 is a wasteful number, since it uses less digits than its factorization.

420324105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420324105 is about 20501.8073593525. The cubic root of 420324105 is about 749.0798226042.

Adding to 420324105 its reverse (501423024), we get a palindrome (921747129).

The spelling of 420324105 in words is "four hundred twenty million, three hundred twenty-four thousand, one hundred five".