20144121233 has 8 divisors (see below), whose sum is σ = 21777429120. Its totient is φ = 18568122480.

The previous prime is 20144121229. The next prime is 20144121281. The reversal of 20144121233 is 33212144102.

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 20144121233 - 2² = 20144121229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20144121199 and 20144121208.

It is not an unprimeable number, because it can be changed into a prime (20144121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326553 + ... + 14327958.

It is an arithmetic number, because the mean of its divisors is an integer number (2722178640).

Almost surely, 2^20144121233 is an apocalyptic number.

It is an amenable number.

20144121233 is a deficient number, since it is larger than the sum of its proper divisors (1633307887).

20144121233 is a wasteful number, since it uses less digits than its factorization.

20144121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28654567.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20144121233 its reverse (33212144102), we get a palindrome (53356265335).

The spelling of 20144121233 in words is "twenty billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred thirty-three".