20164335 has 16 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 10725920.

The previous prime is 20164321. The next prime is 20164349. The reversal of 20164335 is 53346102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20164321) and next prime (20164349).

It is not a de Polignac number, because 20164335 - 2⁶ = 20164271 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4906 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^20164335 is an apocalyptic number.

20164335 is a deficient number, since it is larger than the sum of its proper divisors (12183825).

20164335 is a wasteful number, since it uses less digits than its factorization.

20164335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 20164335 is about 4490.4715787988. The cubic root of 20164335 is about 272.1831910042.

The spelling of 20164335 in words is "twenty million, one hundred sixty-four thousand, three hundred thirty-five".