20111014 has 32 divisors (see below), whose sum is σ = 38497536. Its totient is φ = 7650720.

The previous prime is 20111011. The next prime is 20111023. The reversal of 20111014 is 41011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^20111014 is an apocalyptic number.

20111014 is a deficient number, since it is larger than the sum of its proper divisors (18386522).

20111014 is a wasteful number, since it uses less digits than its factorization.

20111014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100.

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

The square root of 20111014 is about 4484.5305216934. The cubic root of 20111014 is about 271.9430658662.

Adding to 20111014 its reverse (41011102), we get a palindrome (61122116).

It can be divided in two parts, 2011 and 1014, that added together give a square (3025 = 55²).

The spelling of 20111014 in words is "twenty million, one hundred eleven thousand, fourteen".