420312162 has 16 divisors (see below), whose sum is σ = 841770720. Its totient is φ = 139912992.

The previous prime is 420312149. The next prime is 420312169. The reversal of 420312162 is 261213024.

It is a super-2 number, since 2×420312162² = 353324627050228488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420312169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42963 + ... + 51830.

It is an arithmetic number, because the mean of its divisors is an integer number (52610670).

Almost surely, 2^420312162 is an apocalyptic number.

420312162 is an abundant number, since it is smaller than the sum of its proper divisors (421458558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420312162 is a wasteful number, since it uses less digits than its factorization.

420312162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95537.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 420312162 is about 20501.5160902798. The cubic root of 420312162 is about 749.0727278053.

Adding to 420312162 its reverse (261213024), we get a palindrome (681525186).

The spelling of 420312162 in words is "four hundred twenty million, three hundred twelve thousand, one hundred sixty-two".