20014111 has 4 divisors (see below), whose sum is σ = 21553672. Its totient is φ = 18474552.

The previous prime is 20014079. The next prime is 20014133. The reversal of 20014111 is 11141002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11141002 = 2 ⋅5570501.

It is a cyclic number.

It is not a de Polignac number, because 20014111 - 2⁵ = 20014079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769761 + ... + 769786.

It is an arithmetic number, because the mean of its divisors is an integer number (5388418).

Almost surely, 2^20014111 is an apocalyptic number.

20014111 is a deficient number, since it is larger than the sum of its proper divisors (1539561).

20014111 is a wasteful number, since it uses less digits than its factorization.

20014111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539560.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 20014111 is about 4473.7133345801. The cubic root of 20014111 is about 271.5055852299.

Adding to 20014111 its reverse (11141002), we get a palindrome (31155113).

The spelling of 20014111 in words is "twenty million, fourteen thousand, one hundred eleven".