328920002 has 4 divisors (see below), whose sum is σ = 493380006. Its totient is φ = 164460000.

The previous prime is 328919993. The next prime is 328920023. The reversal of 328920002 is 200029823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 313325401 + 15594601 = 17701^2 + 3949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82229999 + ... + 82230002.

Almost surely, 2^328920002 is an apocalyptic number.

328920002 is a deficient number, since it is larger than the sum of its proper divisors (164460004).

328920002 is a wasteful number, since it uses less digits than its factorization.

328920002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164460003.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 328920002 is about 18136.1517968945. The cubic root of 328920002 is about 690.2876361518.

Adding to 328920002 its reverse (200029823), we get a palindrome (528949825).

The spelling of 328920002 in words is "three hundred twenty-eight million, nine hundred twenty thousand, two".