20111242014 has 12 divisors (see below), whose sum is σ = 43574357736. Its totient is φ = 6703747332.

The previous prime is 20111242013. The next prime is 20111242057. The reversal of 20111242014 is 41024211102.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1117291223 = 20111242014 / (2 + 0 + 1 + 1 + 1 + 2 + 4 + 2 + 0 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111242013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558645594 + ... + 558645629.

It is an arithmetic number, because the mean of its divisors is an integer number (3631196478).

Almost surely, 2^20111242014 is an apocalyptic number.

20111242014 is an abundant number, since it is smaller than the sum of its proper divisors (23463115722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111242014 is a wasteful number, since it uses less digits than its factorization.

20111242014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117291231 (or 1117291228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20111242014 its reverse (41024211102), we get a palindrome (61135453116).

The spelling of 20111242014 in words is "twenty billion, one hundred eleven million, two hundred forty-two thousand, fourteen".