20160003 has 8 divisors (see below), whose sum is σ = 27045568. Its totient is φ = 13357224.

The previous prime is 20160001. The next prime is 20160031. The reversal of 20160003 is 30006102.

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

It is not a de Polignac number, because 20160003 - 2¹ = 20160001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20160001) 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, 20125 + ... + 21102.

It is an arithmetic number, because the mean of its divisors is an integer number (3380696).

Almost surely, 2^20160003 is an apocalyptic number.

20160003 is a deficient number, since it is larger than the sum of its proper divisors (6885565).

20160003 is a wasteful number, since it uses less digits than its factorization.

20160003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41393.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20160003 is about 4489.9891982053. The cubic root of 20160003 is about 272.1636981383.

Adding to 20160003 its reverse (30006102), we get a palindrome (50166105).

The spelling of 20160003 in words is "twenty million, one hundred sixty thousand, three".