20107329 has 8 divisors (see below), whose sum is σ = 29247072. Its totient is φ = 12186240.

The previous prime is 20107291. The next prime is 20107337. The reversal of 20107329 is 92370102.

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

It is a de Polignac number, because none of the positive numbers 2^k-20107329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20107299 and 20107308.

It is not an unprimeable number, because it can be changed into a prime (20107349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304624 + ... + 304689.

It is an arithmetic number, because the mean of its divisors is an integer number (3655884).

Almost surely, 2^20107329 is an apocalyptic number.

It is an amenable number.

20107329 is a deficient number, since it is larger than the sum of its proper divisors (9139743).

20107329 is a wasteful number, since it uses less digits than its factorization.

20107329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609327.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20107329 is about 4484.1196460398. The cubic root of 20107329 is about 271.9264552101.

It can be divided in two parts, 201073 and 29, that added together give a palindrome (201102).

The spelling of 20107329 in words is "twenty million, one hundred seven thousand, three hundred twenty-nine".