320242212 has 36 divisors (see below), whose sum is σ = 812407596. Its totient is φ = 106364160.

The previous prime is 320242201. The next prime is 320242259. The reversal of 320242212 is 212242023.

It can be written as a sum of positive squares in 2 ways, for example, as 186978276 + 133263936 = 13674^2 + 11544^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5713 + ... + 25944.

Almost surely, 2^320242212 is an apocalyptic number.

It is an amenable number.

320242212 is an abundant number, since it is smaller than the sum of its proper divisors (492165384).

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

320242212 is a wasteful number, since it uses less digits than its factorization.

320242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31948 (or 31943 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 320242212 is about 17895.3125706147. The cubic root of 320242212 is about 684.1629087704.

Adding to 320242212 its reverse (212242023), we get a palindrome (532484235).

The spelling of 320242212 in words is "three hundred twenty million, two hundred forty-two thousand, two hundred twelve".