20144200111 has 8 divisors (see below), whose sum is σ = 23043649824. Its totient is φ = 17250177120.

The previous prime is 20144200061. The next prime is 20144200127. The reversal of 20144200111 is 11100244102.

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 20144200111 - 2⁷ = 20144199983 is a prime.

It is a super-2 number, since 2×20144200111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144201111) 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, 1348720 + ... + 1363573.

It is an arithmetic number, because the mean of its divisors is an integer number (2880456228).

Almost surely, 2^20144200111 is an apocalyptic number.

20144200111 is a deficient number, since it is larger than the sum of its proper divisors (2899449713).

20144200111 is a wasteful number, since it uses less digits than its factorization.

20144200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713361.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20144200111 its reverse (11100244102), we get a palindrome (31244444213).

The spelling of 20144200111 in words is "twenty billion, one hundred forty-four million, two hundred thousand, one hundred eleven".