20144342230 has 16 divisors (see below), whose sum is σ = 36770518944. Its totient is φ = 7944247360.

The previous prime is 20144342227. The next prime is 20144342243. The reversal of 20144342230 is 3224344102.

It is a happy number.

It is a super-2 number, since 2×20144342230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20144342195 and 20144342204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14185447 + ... + 14186866.

It is an arithmetic number, because the mean of its divisors is an integer number (2298157434).

Almost surely, 2^20144342230 is an apocalyptic number.

20144342230 is a deficient number, since it is larger than the sum of its proper divisors (16626176714).

20144342230 is a wasteful number, since it uses less digits than its factorization.

20144342230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28372391.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20144342230 its reverse (3224344102), we get a palindrome (23368686332).

The spelling of 20144342230 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, two hundred thirty".