20160111 has 8 divisors (see below), whose sum is σ = 26922240. Its totient is φ = 13419032.

The previous prime is 20160067. The next prime is 20160139. The reversal of 20160111 is 11106102.

It is a happy number.

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 20160111 - 2¹¹ = 20158063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160611) 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, 2871 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (3365280).

Almost surely, 2^20160111 is an apocalyptic number.

20160111 is a deficient number, since it is larger than the sum of its proper divisors (6762129).

20160111 is an equidigital number, since it uses as much as digits as its factorization.

20160111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525.

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

The square root of 20160111 is about 4490.0012249442. The cubic root of 20160111 is about 272.1641841440.

Adding to 20160111 its reverse (11106102), we get a palindrome (31266213).

The spelling of 20160111 in words is "twenty million, one hundred sixty thousand, one hundred eleven".