20064329 has 4 divisors (see below), whose sum is σ = 20150676. Its totient is φ = 19977984.

The previous prime is 20064311. The next prime is 20064371. The reversal of 20064329 is 92346002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 18966025 = 1048^2 + 4355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20064329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20064298 and 20064307.

It is not an unprimeable number, because it can be changed into a prime (20064379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42824 + ... + 43289.

It is an arithmetic number, because the mean of its divisors is an integer number (5037669).

Almost surely, 2^20064329 is an apocalyptic number.

It is an amenable number.

20064329 is a deficient number, since it is larger than the sum of its proper divisors (86347).

20064329 is an equidigital number, since it uses as much as digits as its factorization.

20064329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86346.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20064329 is about 4479.3223817895. The cubic root of 20064329 is about 271.7324764768.

The spelling of 20064329 in words is "twenty million, sixty-four thousand, three hundred twenty-nine".