320633042 has 8 divisors (see below), whose sum is σ = 481029516. Its totient is φ = 160289872.

The previous prime is 320633021. The next prime is 320633051. The reversal of 320633042 is 240336023.

It can be written as a sum of positive squares in 2 ways, for example, as 230402041 + 90231001 = 15179^2 + 9499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320632999 and 320633017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9608 + ... + 27084.

Almost surely, 2^320633042 is an apocalyptic number.

320633042 is a deficient number, since it is larger than the sum of its proper divisors (160396474).

320633042 is a wasteful number, since it uses less digits than its factorization.

320633042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26652.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 320633042 is about 17906.2291396039. The cubic root of 320633042 is about 684.4411176560.

Adding to 320633042 its reverse (240336023), we get a palindrome (560969065).

The spelling of 320633042 in words is "three hundred twenty million, six hundred thirty-three thousand, forty-two".