20065323 has 16 divisors (see below), whose sum is σ = 27560736. Its totient is φ = 12979200.

The previous prime is 20065319. The next prime is 20065337. The reversal of 20065323 is 32356002.

It is not a de Polignac number, because 20065323 - 2² = 20065319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20065323.

It is not an unprimeable number, because it can be changed into a prime (20065313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14773 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (1722546).

Almost surely, 2^20065323 is an apocalyptic number.

20065323 is a deficient number, since it is larger than the sum of its proper divisors (7495413).

20065323 is a wasteful number, since it uses less digits than its factorization.

20065323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 20065323 is about 4479.4333346976. The cubic root of 20065323 is about 271.7369636710.

The spelling of 20065323 in words is "twenty million, sixty-five thousand, three hundred twenty-three".