20162329 has 8 divisors (see below), whose sum is σ = 22951872. Its totient is φ = 17532240.

The previous prime is 20162321. The next prime is 20162333. The reversal of 20162329 is 92326102.

It is a happy number.

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

It is not a de Polignac number, because 20162329 - 2³ = 20162321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20162321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39594 + ... + 40099.

It is an arithmetic number, because the mean of its divisors is an integer number (2868984).

Almost surely, 2^20162329 is an apocalyptic number.

It is an amenable number.

20162329 is a deficient number, since it is larger than the sum of its proper divisors (2789543).

20162329 is a wasteful number, since it uses less digits than its factorization.

20162329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79727.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20162329 is about 4490.2482114021. The cubic root of 20162329 is about 272.1741648765.

The spelling of 20162329 in words is "twenty million, one hundred sixty-two thousand, three hundred twenty-nine".