20066315 has 8 divisors (see below), whose sum is σ = 24128928. Its totient is φ = 16020160.

The previous prime is 20066297. The next prime is 20066317. The reversal of 20066315 is 51366002.

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

It is not a de Polignac number, because 20066315 - 2¹⁶ = 20000779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20066317) 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, 1247 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (3016116).

Almost surely, 2^20066315 is an apocalyptic number.

20066315 is a deficient number, since it is larger than the sum of its proper divisors (4062613).

20066315 is an equidigital number, since it uses as much as digits as its factorization.

20066315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20066315 is about 4479.5440616206. The cubic root of 20066315 is about 271.7414416889.

It can be divided in two parts, 20066 and 315, that multiplied together give a triangular number (6320790 = T₃₅₅₅).

The spelling of 20066315 in words is "twenty million, sixty-six thousand, three hundred fifteen".