20083145 has 8 divisors (see below), whose sum is σ = 24290304. Its totient is φ = 15939504.

The previous prime is 20083121. The next prime is 20083159. The reversal of 20083145 is 54138002.

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

It is a cyclic number.

It is not a de Polignac number, because 20083145 - 2⁶ = 20083081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20083145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15179 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (3036288).

Almost surely, 2^20083145 is an apocalyptic number.

It is an amenable number.

20083145 is a deficient number, since it is larger than the sum of its proper divisors (4207159).

20083145 is a wasteful number, since it uses less digits than its factorization.

20083145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31759.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20083145 is about 4481.4222072909. The cubic root of 20083145 is about 271.8173920308.

The spelling of 20083145 in words is "twenty million, eighty-three thousand, one hundred forty-five".